INTERNATIONAL RECTIFIER CORP /DE/
10-Q, 1997-11-12
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>

               UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549
                                  FORM 10-Q


(MARK ONE)
[X]   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 1997

                                      OR

[ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM _____________________ TO _____________________

COMMISSION FILE NO. 1-7935 

                      INTERNATIONAL RECTIFIER CORPORATION
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)


               DELAWARE                                   95-1528961
 --------------------------------------           ---------------------------
    (STATE OR OTHER JURISDICTION OF              (IRS EMPLOYER IDENTIFICATION
     INCORPORATION OR ORGANIZATION)                         NUMBER)


         233 KANSAS STREET
         EL SEGUNDO, CALIFORNIA                              90245 
 --------------------------------------           ---------------------------
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                   (ZIP CODE)

REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:  (310) 726-8000

                                  NO CHANGE
 ------------------------------------------------------------------------------
    (FORMER NAME, FORMER ADDRESS AND FORMER FISCAL YEAR, IF CHANGED SINCE LAST 
     REPORT)

INDICATE BY CHECK MARK WHETHER THE REGISTRANT (1) HAS FILED ALL REPORTS REQUIRED
TO BE FILED BY SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
DURING THE PRECEDING 12 MONTHS (OR FOR SUCH SHORTER PERIOD THAT THE REGISTRANT
WAS REQUIRED TO FILE SUCH REPORTS), AND (2) HAS BEEN SUBJECT TO SUCH FILING
REQUIREMENTS FOR THE PAST 90 DAYS.  YES  X   NO
                                        ---     ---

THERE WERE 51,194,508 SHARES OF THE REGISTRANT'S COMMON STOCK, PAR VALUE $1.00
PER SHARE, OUTSTANDING ON NOVEMBER 11, 1997.


<PAGE>

                              TABLE OF CONTENTS



PART I.  FINANCIAL INFORMATION

                                                              PAGE
                                                            REFERENCE
                                                            ---------

    ITEM 1.   FINANCIAL STATEMENTS

              Unaudited Consolidated Statement of
                Income for the Three Month Periods 
                Ended September 30, 1997 and 1996               2


              Consolidated Balance Sheet as of
                September 30, 1997 (unaudited) and
                June 30, 1997                                   3


              Unaudited Consolidated Statement of
                Cash Flows for the Three Month
                Periods Ended September 30, 1997
                and 1996                                        4


              Notes to Unaudited Consolidated
                Financial Statements                            5


    ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS
                OF OPERATIONS                                   8


PART II. OTHER INFORMATION

    ITEM 6.   EXHIBITS                                          11


<PAGE>

PART I.  FINANCIAL INFORMATION

ITEM 1.  FINANCIAL STATEMENTS



             INTERNATIONAL RECTIFIER CORPORATION AND SUBSIDIARIES
                  UNAUDITED CONSOLIDATED STATEMENT OF INCOME
                   (IN THOUSANDS EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                 THREE MONTHS ENDED
                                                    SEPTEMBER 30,
                                            ---------------------------
                                                1997           1996
                                            ------------   ------------
<S>                                         <C>            <C>
Revenues                                     $133,111       $115,193 
Cost of sales                                  88,160         76,381 
                                             --------       --------
    Gross profit                               44,951         38,812
Selling and administrative expense             25,348         26,189 
Research and development expense                8,731          8,024 
                                             --------       --------
    Operating profit                           10,872          4,599 
Other income (expense):
    Interest, net                              (1,627)          (344)
    Other, net                                   (148)           176  
                                             --------       --------
Income before income taxes                      9,097          4,431 
Provision for income taxes                      3,002          1,374 
                                             --------       --------

Net income                                   $  6,095       $  3,057 
                                             --------       --------
                                             --------       --------

Net income per share                         $   0.12       $   0.06 
                                             --------       --------
                                             --------       --------

Average common and common 
    equivalent shares outstanding              52,011         51,425
                                             --------       --------
                                             --------       --------

</TABLE>

The accompanying notes are an integral part of this statement.


                                      2

<PAGE>

             INTERNATIONAL RECTIFIER CORPORATION AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEET
                                (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                           SEPTEMBER 30,
                                                               1997        JUNE 30,
                                                            (UNAUDITED)      1997
                                                           -------------  ---------
<S>                                                        <C>            <C>
ASSETS
Current assets:
    Cash and cash equivalents                               $ 31,546       $ 36,564 
    Short-term investments                                    18,000         16,850 
    Trade accounts receivable, net                           129,076        125,481 
    Inventories                                              116,988        115,754 
    Deferred income taxes                                     15,343         18,800 
    Prepaid expenses                                           2,838          3,032 
                                                            --------       --------
         Total current assets                                313,791        316,481 

Property, plant and equipment, net                           342,333        333,559 
Other assets                                                  30,052         29,713 
                                                            --------       --------
    Total assets                                            $686,176       $679,753 
                                                            --------       --------
                                                            --------       --------

LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
    Bank loans                                              $ 22,859       $ 12,710 
    Long-term debt, due within one year                       20,410         19,110 
    Accounts payable                                          41,346         40,332 
    Accrued salaries, wages and commissions                   12,539         14,517 
    Other accrued expenses                                    23,863         26,596 
                                                            --------       --------
         Total current liabilities                           121,017        113,265 

Long-term debt, less current maturities                      137,551        143,164 
Other long-term liabilities                                   25,433         28,982 
Deferred income taxes                                         14,799         12,627 
Stockholders' equity:
    Common stock                                              51,177         51,052 
    Capital contributed in excess of par value               253,544        252,199 
    Retained earnings                                         88,266         82,171 
    Cumulative translation adjustments                        (5,611)        (3,707)
                                                            --------       --------

         Total stockholders' equity                          387,376        381,715 
                                                            --------       --------

         Total liabilities and stockholders' equity         $686,176       $679,753 
                                                            --------       --------
                                                            --------       --------

</TABLE>

The accompanying notes are an integral part of this statement.


                                      3

<PAGE>

             INTERNATIONAL RECTIFIER CORPORATION AND SUBSIDIARIES
                UNAUDITED CONSOLIDATED STATEMENT OF CASH FLOWS
                                (In thousands)

<TABLE>
<CAPTION>

                                                               THREE MONTHS ENDED
                                                                  SEPTEMBER 30,
                                                              1997           1996
                                                           ----------     ----------
<S>                                                        <C>            <C>
Cash flow from operating activities:
    Net income                                              $  6,095       $  3,057
    Adjustments to reconcile net income to net cash
      provided by operating activities:
         Depreciation and amortization                         9,375          9,966 
         Deferred income                                        (150)          (238)
         Deferred income taxes                                 5,713              - 
         Deferred compensation                                   (98)         1,075 
    Change in working capital                                (11,130)       (24,837)
                                                            --------       --------
Net cash provided by (used in) operating activities            9,805        (10,977)
                                                            --------       --------

Cash flow from investing activities:
    Additions to property, plant and equipment               (18,975)       (27,200)
    Purchase of short-term investments                       (18,000)       (20,000)
    Proceeds from sale of short-term investments              16,850         18,000 
    Investment in other noncurrent assets                       (949)           140
                                                            --------       --------
Net cash used in investing activities                        (21,074)       (29,060)
                                                            --------       --------

Cash flow from financing activities:
    Proceeds from issuance of 
      short-term bank debt, net                               10,631          6,223
    Proceeds from issuance of long-term debt                     140         49,115 
    Payments on long-term debt and obligations
      under capital leases                                    (3,869)        (2,550)
    Net proceeds from issuance of common stock                 1,470          1,417 
    Decrease in other long-term liabilities to be 
      financed with long-term debt                            (3,074)       (16,999)
    Other                                                      1,103           (444)
                                                            --------       --------
Net cash provided by financing activities                      6,401         36,762 
                                                            --------       --------

Effect of exchange rate changes on cash and
  cash equivalents                                              (150)           (22) 
                                                            --------       --------

Net decrease in cash and cash equivalents                     (5,018)        (3,297)

Cash and cash equivalents beginning of period                 36,564         35,760 
                                                            --------       --------

Cash and cash equivalents end of period                     $ 31,546       $ 32,463 
                                                            --------       --------
                                                            --------       --------

</TABLE>

The accompanying notes are an integral part of this statement.


                                      4

<PAGE>

             INTERNATIONAL RECTIFIER CORPORATION AND SUBSIDIARIES
             NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

                              SEPTEMBER 30, 1997


1.  BASIS OF PRESENTATION

    The consolidated financial statements included herein are unaudited,
    however, they contain all normal recurring accruals which, in the opinion
    of management, are necessary to present fairly the consolidated financial
    position of the Company at September 30, 1997 and the consolidated results
    of operations and cash flows for the three month periods ended September
    30, 1997 and 1996.  It should be understood that accounting measurements at
    interim dates inherently involve greater reliance on estimates than at year
    end.  The results of operations for the three month period ended September
    30, 1997 are not necessarily indicative of the results to be expected for
    the full year.

    The accompanying consolidated financial statements do not include footnotes
    and certain financial presentations normally required under generally
    accepted accounting principles and, therefore, should be read in
    conjunction with the Annual Report on Form 10-K for the year ended June 30,
    1997.
    
2.  EARNINGS PER SHARE

    Earnings per share is computed by dividing earnings by the weighted average
    number of common and common stock equivalents outstanding.  Stock options
    outstanding under stock option plans are considered common stock
    equivalents.  Common stock equivalents for stock options of 860,700 and
    514,000 were utilized in the computation of earnings per share for the
    three month periods ended September 30, 1997 and 1996, respectively.

3.  INVENTORIES

    Inventories are stated at the lower of cost (principally first-in, 
    first-out) or market.  Inventories at September 30, 1997 (unaudited) and 
    June 30, 1997 were comprised of the following (in thousands):

                                       SEPTEMBER 30, 1997       JUNE 30, 1997
                                       ------------------       -------------
         Raw materials                     $  24,954              $  25,002
         Work-in-process                      58,435                 56,749
         Finished goods                       33,599                 34,003
                                           ---------              ---------
                                           $ 116,988              $ 115,754


                                      5

<PAGE>

4.  LONG-TERM DEBT AND OTHER LOANS

    A summary of the Company's long-term debt and other loans at September 30,
    1997 is as follows (in thousands):

<TABLE>
<CAPTION>
                                                                        SEPTEMBER 30,
                                                                            1997 
                                                                        -------------
<S>                                                                     <C>
    Capitalized lease obligations payable in varying monthly
       installments primarily at rates from 6.0% to 10.7%                 $  4,298

    Domestic bank loans collateralized by equipment, payable in
       varying monthly installments at rates from 6.4% to 8.7%, due
       in 1998 through 2002                                                 37,444
    Domestic unsecured bank loans payable in varying monthly
       installments at rates from 6.3% to 6.8%, due in 2000 
       through 2002                                                         99,700 
    Foreign bank loans collateralized by property and/or equipment,
       payable in varying monthly installments at rates from 8.0% to
       10.8%, due in 1998 through 2000                                       2,961 
    Foreign unsecured bank loans payable in varying monthly
       installments at rates from 2.6% to 8.4%, due in 1998
       through 2006                                                         13,558 
                                                                          --------
                                                                           157,961 
    Less current portion of long-term debt                                 (20,410)
                                                                          --------
                                                                          $137,551 
                                                                          --------
                                                                          --------

</TABLE>

5.  IMPAIRMENT OF ASSETS AND RESTRUCTURING CHARGE

    During the fourth quarter of fiscal 1997, the Company recorded a $75
    million pretax charge related to a restructuring program designed to
    improve the Company's competitive position and further accelerate growth
    and earnings by streamlining operations and administration.  The charge was
    composed of $65 million for the write-down of assets and $10 million for
    termination benefits to be paid in connection with the elimination of
    approximately 150 positions.

    As of September 30, 1997, the Company had recorded approximately $65.9
    million in cumulative costs against its $75 million restructuring reserve,
    of which approximately $65 million related to non-cash effects of asset
    write-offs and about $0.9 million represented cash expenditures for
    termination benefits paid to over 50 employees.

6.  ENVIRONMENTAL MATTERS

    Counsel for the Company's discontinued pharmaceutical subsidiary, Rachelle
    Laboratories, Inc., received a letter from the United States Environmental
    Protection Agency (EPA) dated September 30, 1997 requesting Rachelle to
    participate (with numerous other companies) in the final remedial actions
    for the Operation Industries, 


                                      6

<PAGE>

    Inc. (OII) superfund site.  Counsel replied on October 21, 1997 
    maintaining the position that the fermentation wastes sent to OII by 
    Rachelle were not toxic and requesting additional information from the 
    EPA.  The amount of Rachelle's potential liability has not been provided 
    by the EPA and is not presently determinable.  The United States 
    Department of Justice previously requested the Company pay $4,953,148 
    for earlier phases of the OII site cleanup, which the Company declined 
    to do.  Based on the prior request, a sum in the same general range as, 
    and in addition to, that amount could reasonably be anticipated for the 
    final remedial phase.

7.  LITIGATION

    The trial date of the class action lawsuit filed against the Company and
    certain of its directors and officers, alleging violation of the securities
    laws, has been rescheduled from January 1998 to May 1998.


                                      7

<PAGE>

ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
         RESULTS OF OPERATIONS


RESULTS OF OPERATIONS FOR THE THREE MONTH PERIOD ENDED SEPTEMBER 30, 1997
COMPARED WITH THE THREE MONTH PERIOD ENDED SEPTEMBER 30, 1996

The following table sets forth certain items as a percentage of revenues.

                                       THREE MONTHS ENDED
                                         SEPTEMBER 30, 
                                          (UNAUDITED)
                                       ------------------
                                       1997          1996
                                       ----          ----
Revenues                               100.0%        100.0%
Cost of sales                           66.2          66.3
                                       -----         -----
Gross profit                            33.8          33.7
Selling and administrative expense      19.0          22.7
Research and development expense         6.6           7.0
                                       -----         -----
Operating profit                         8.2           4.0
Interest income (expense), net          (1.2)         (0.3)
Other income (expense), net             (0.1)          0.2
                                       -----         -----
Income before income taxes               6.9           3.9
Provision for income taxes               2.3           1.2
                                       -----         -----
Net income                               4.6%          2.7%
                                       -----         -----
                                       -----         -----

Revenues for the three months ended September 30, 1997 increased 15.6% to 
$133.1 million from $115.2 million in the prior year period.  Growth in sales 
to North America, Europe, and Asia Pacific offset a decline in Japan.  The 
increase was concentrated in the Company's HEXFET-Registered Trademark- power 
MOSFET products and companion Schottky diodes and reflected market acceptance 
of the Company's new products.  Changes in foreign exchange rates positively 
impacted revenues by approximately $2.7 million in the three months ended 
September 30, 1997. Revenues in the current quarter included $4.5 million of 
net patent royalties, versus $4.9 million in the prior year period.

September-quarter gross margin was relatively unchanged at 33.8% of revenues 
($45.0 million) versus 33.7% of revenues ($38.8 million) in the comparable 
year-ago quarter.

September-quarter selling and administrative expense was $25.3 million (19.0% 
of revenues) versus $26.2 million (22.7% of revenues) in the comparable 
year-ago quarter.  The Company's current-year spending ratio reflected the 
benefit of greater volume and the restructuring of operations announced in 
May 1997.

In the quarter ended September, the Company's research and development 
expenditures increased to $8.7 million (6.6% of revenues) compared to $8.0 
million (7.0% of revenues) in the comparable prior year period. The Company's 
research and development program continues to focus on optimizing multiple 
technologies to combine in proprietary value-added 


                                      8

<PAGE>

power conversion "solutions" products and on setting cost/performance 
benchmarks in power conversion components.

Net interest expense was $1.6 million compared to $0.3 million in the prior 
year period, reflecting increased interest expense incurred on higher average 
debt balances.

Changes in foreign currency exchange rates positively impacted net income by 
$0.3 million  in the three month period ending September 30, 1997, and had no 
material effect on net income in the prior year period.

SEASONALITY

The Company has experienced moderate seasonality in its business in recent 
years.  On average over the past three years, the Company has reported 
approximately 47% of annual revenues in the first half and 53% in the second 
half of its fiscal year.  Historical averages are not necessarily indicative 
of future results.

LIQUIDITY AND CAPITAL RESOURCES

At September 30, 1997, the Company maintained cash and cash equivalent 
balances of $31.5 million and short term investments of $18.0 million.  In 
addition, the Company had established $69.0 million of domestic and foreign 
revolving lines of credit, against which $37.9 million had been borrowed.  
Based on covenant and collateral limitations, the Company had $26.4 million 
available for borrowing at September 30, 1997.  Additionally, the Company had 
at its disposal $10 million of unused bank term-loan facilities.  At 
September 30, 1997, the Company had made purchase commitments for capital 
equipment of approximately $23.3 million.

The Company intends to fund operations and planned capital expenditures 
through cash and cash equivalents on hand, short-term investments, 
anticipated cash flow from operations, and funds from existing credit 
facilities.  However, the Company may also consider the use of funds from 
other external sources including, but not limited to, public or private 
offerings of debt or equity.


                                      9

<PAGE>

                                  SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.




                     INTERNATIONAL RECTIFIER CORPORATION
                                  REGISTRANT




November 12, 1997                            /s/ MICHAEL P. MCGEE
                                        -----------------------------------
                                            Michael P. McGee
                                            Vice President,
                                            Chief Financial Officer and
                                            Principal Accounting Officer


                                      10

<PAGE>

PART II.  OTHER INFORMATION

ITEM 6.   EXHIBITS

10(a)     Credit Agreement by and between International Rectifier
          Corporation and The Dai-Ichi Kangyo Bank, LTD., Los Angeles
          Agency dated as of September 26, 1997


                                      11


<PAGE>


                              US$10,000,000.00


                             REVOLVING AND TERM


                              CREDIT FACILITY


- -------------------------------------------------------------------------------


                             CREDIT AGREEMENT




                                      BY

                                     AND

                                   BETWEEN




                     INTERNATIONAL RECTIFIER CORPORATION





                                     AND





                        THE DAI-ICHI KANGYO BANK, LTD
                              LOS ANGELES AGENCY






                              SEPTEMBER 26, 1997

<PAGE>

                              TABLE OF CONTENTS


                                                                           PAGE
                                                                           ----
ARTICLE I
DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1
     1.1    Defined Terms . . . . . . . . . . . . . . . . . . . . . . . . .   1
     1.2    General Terms . . . . . . . . . . . . . . . . . . . . . . . . .   6
     1.3    Accounting Terms. . . . . . . . . . . . . . . . . . . . . . . .   6


ARTICLE II
THE LOAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   6
     2.1    The Revolving Line of Credit  . . . . . . . . . . . . . . . . .   6
     2.2    Conversion to Term Loan . . . . . . . . . . . . . . . . . . . .   7
     2.3    Extension of Commitment Termination Date and Maturity Date. . .   7
     2.4    Disbursements . . . . . . . . . . . . . . . . . . . . . . . . .   7
     2.5    The Note. . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     2.6    Repayment of Principal. . . . . . . . . . . . . . . . . . . . .   8
     2.7    Interest Rate and Payment of Interest . . . . . . . . . . . . .   8
     2.8    The Commitment Fee. . . . . . . . . . . . . . . . . . . . . . .  11
     2.9    Prepayments and Reduction of the Commitment . . . . . . . . . .  11
     2.10   Payments to the Bank. . . . . . . . . . . . . . . . . . . . . .  12
     2.11   Change in Circumstances . . . . . . . . . . . . . . . . . . . .  12
     2.12   Change in Legality. . . . . . . . . . . . . . . . . . . . . . .  13
     2.13   Indemnity . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
     2.14   Taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15


ARTICLE III
CONDITIONS PRECEDENT. . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
     3.1    Documents Required Prior to an Initial Disbursement . . . . . .  17
     3.2    Conditions Precedent to Each Disbursement . . . . . . . . . . .  17

ARTICLE IV
REPRESENTATIONS AND WARRANTIES OF THE BORROWER. . . . . . . . . . . . . . .  18
     4.1    Authorization . . . . . . . . . . . . . . . . . . . . . . . . .  18
     4.2    Enforceability. . . . . . . . . . . . . . . . . . . . . . . . .  18
     4.3    No Proceedings. . . . . . . . . . . . . . . . . . . . . . . . .  18
     4.4    Compliance with Laws and Agreements . . . . . . . . . . . . . .  18
     4.5    Misleading Statements . . . . . . . . . . . . . . . . . . . . .  19
     4.6    Consents. . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
     4.7    No Subordination. . . . . . . . . . . . . . . . . . . . . . . .  19
     4.8    Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
     4.9    Financial Statements. . . . . . . . . . . . . . . . . . . . . .  19
     4.10   Title to Assets . . . . . . . . . . . . . . . . . . . . . . . .  19


                                      i
<PAGE>

     4.11   ERISA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
     4.12   Taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
     4.13   Margin Stock. . . . . . . . . . . . . . . . . . . . . . . . . .  20
     4.14   Environmental Compliance. . . . . . . . . . . . . . . . . . . .  20


ARTICLE V
COVENANTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
     5.1    Preservation of Existence; Compliance with Applicable Laws. . .  20
     5.2    Maintenance of Insurance. . . . . . . . . . . . . . . . . . . .  20
     5.3    Maintenance of Properties . . . . . . . . . . . . . . . . . . .  20
     5.4    Payment of Obligations and Taxes. . . . . . . . . . . . . . . .  20
     5.5    Inspection Rights . . . . . . . . . . . . . . . . . . . . . . .  20
     5.6    Reporting and Certification Requirements. . . . . . . . . . . .  21
     5.7    Payment of Dividends. . . . . . . . . . . . . . . . . . . . . .  21
     5.9    Additional Indebtedness . . . . . . . . . . . . . . . . . . . .  21
     5.10   Loans . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
     5.11   Liens and Encumbrances. . . . . . . . . . . . . . . . . . . . .  22
     5.12   Transfer of Assets. . . . . . . . . . . . . . . . . . . . . . .  22
     5.13   Change in Nature of Business. . . . . . . . . . . . . . . . . .  22
     5.14   Financial Conditions. . . . . . . . . . . . . . . . . . . . . .  22
     5.15   Notice. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
     5.16   Consolidated Operating Loss . . . . . . . . . . . . . . . . . .  23
     5.17   Environmental Compliance. . . . . . . . . . . . . . . . . . . .  23
     5.18   Pari Passu Treatment. . . . . . . . . . . . . . . . . . . . . .  24


ARTICLE VI
DEFAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
     6.1    Events of Default . . . . . . . . . . . . . . . . . . . . . . .  24
     6.2    Remedies. . . . . . . . . . . . . . . . . . . . . . . . . . . .  25


ARTICLE VII
GENERAL PROVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
     7.1    Construction. . . . . . . . . . . . . . . . . . . . . . . . . .  26
     7.2    Further Assurances. . . . . . . . . . . . . . . . . . . . . . .  26
     7.3    Enforcement and Waiver by the Bank. . . . . . . . . . . . . . .  26
     7.4    Expenses; Indemnity . . . . . . . . . . . . . . . . . . . . . .  26
     7.5    Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
     7.6    Waiver and Release by the Borrower. . . . . . . . . . . . . . .  28
     7.7    Choice of Law and Venue . . . . . . . . . . . . . . . . . . . .  28
     7.8    Binding Effect and Assignment . . . . . . . . . . . . . . . . .  28
     7.9    Entire Agreement. . . . . . . . . . . . . . . . . . . . . . . .  28
     7.10   Severability. . . . . . . . . . . . . . . . . . . . . . . . . .  28
     7.11   Attorneys' Fees and Costs . . . . . . . . . . . . . . . . . . .  28
     7.12   Headings. . . . . . . . . . . . . . . . . . . . . . . . . . . .  29


                                      ii
<PAGE>

     7.13   WAIVER OF JURY TRIAL. . . . . . . . . . . . . . . . . . . . . .  29
     7.14   Right of Setoff . . . . . . . . . . . . . . . . . . . . . . . .  29
     7.15   Survival. . . . . . . . . . . . . . . . . . . . . . . . . . . .  29
     7.16   Confidentiality . . . . . . . . . . . . . . . . . . . . . . . .  29
     7.17   Conditions Not Fulfilled. . . . . . . . . . . . . . . . . . . .  30
     7.18   Counterparts. . . . . . . . . . . . . . . . . . . . . . . . . .  30
     7.19   Immateriality . . . . . . . . . . . . . . . . . . . . . . . . .  30


EXHIBITS

A    NAMES OF AUTHORIZED INDIVIDUALS
B    FORM OF ADVANCE REQUEST
C    FORM OF AMENDED AND RESTATED REVOLVING CREDIT NOTE
D    FORM OF NOTICE OF INTEREST PERIOD






                            iii
<PAGE>

                                CREDIT AGREEMENT

     THIS CREDIT AGREEMENT (the "Agreement") is entered into as of 
September 26, 1997, by and between INTERNATIONAL RECTIFIER CORPORATION, a 
Delaware corporation (the "Borrower"), and THE DAI-ICHI KANGYO BANK, LTD., a 
financial institution organized and existing under the laws of Japan acting 
by and through its duly-licensed Los Angeles Agency (the "Bank"), in reliance 
upon the following:

                                   RECITAL

     The Borrower has requested that the Bank make available to the Borrower 
a credit facility in the aggregate principal amount of Ten Million and No/100 
U.S. Dollars (US$10,000,000.00) and the Bank is willing to do so, but only 
upon the terms and conditions set forth in this Agreement.

                                  AGREEMENT

     NOW, THEREFORE, in consideration of the mutual agreements herein 
contained, the parties hereto agree as follows:

                                   ARTICLE I
                                  DEFINITIONS

     1.1   DEFINED TERMS.  For the purposes of this Agreement, the 
capitalized terms in the preamble hereto shall have the meanings therein 
given them and the following terms shall have the respective meanings set 
forth below:

           "Advance" shall mean each and every advance of sums hereunder by 
the Bank to or for the account of the Borrower.

           "Advance Request" shall mean the written request for an Advance 
required to be provided by the Borrower to the Bank in connection with any 
Advance pursuant to Section 2.4 hereof.

            "Business Day" shall mean any day other than a Saturday, Sunday 
or any other day on which banks are closed for business in California; 
provided, however, that when used in connection with a LIBOR Advance, the 
term "Business Day" shall also exclude any day on which banks are not open 
for dealings in Dollar deposits in the London interbank market.

            "Capital Expenditures" shall mean, for any period, the dollar 
amount of gross expenditures (including obligations under capital leases) 
incurred during such period for


                                      1
<PAGE>

fixed assets, real property, plant and equipment, and renewals, improvements 
and replacements thereto, required to be included in "capital expenditures" 
or comparable items in the financial statements of the Borrower in conformity 
with GAAP.

            "Commitment" shall mean the Bank's commitment hereunder to lend 
to the Borrower sums up to an aggregate principal amount at any one time 
outstanding of Ten Million and No/100 U.S. Dollars (US$10,000,000.00).

            "Commitment Fee" shall mean that fee payable by the Borrower to 
the Bank pursuant to Section 2.8 hereof.

            "Commitment Period" shall mean the period of time from the date 
hereof to the Commitment Termination Date, as that may from time-to-time be 
extended pursuant to Section 2.3 hereof.

            "Commitment Termination Date" shall mean September 26, 1998 or 
such earlier date on which the Bank may accelerate the Borrower's payment 
obligations hereunder as the result of an occurrence of an Event of Default; 
provided, however, that the Bank may extend the Commitment Termination Date 
pursuant to Section 2.3 hereof.

            "Consolidated Operating Loss" shall mean a loss from operations 
before other income and expenses, income taxes and extraordinary items as set 
forth on the Borrower's consolidated statement of income.

            "Debt" shall mean all liabilities of the Borrower as set forth on 
its balance sheet, less Subordinated Debt.

            "Effective Tangible Net Worth" shall mean the Borrower's stated 
net worth plus Subordinated Debt but less all intangible assets of the 
Borrower (i.e., goodwill, trademarks, patents, copyrights, organization 
expense, loans and advances to employees and similar intangible items) and 
excluding (i) any cumulative translation adjustments to equity for the value 
of foreign assets based upon changes in foreign exchange rates and (ii) any 
redemptions of employee stock options.

            "Environmental Laws" shall mean any and all federal, state, 
local and foreign statutes, laws, regulations, ordinances, rules, judgments, 
orders, decrees, permits, concessions, franchises, licenses, agreements and 
other governmental restrictions relating to the environment or to emissions, 
discharges or releases of pollutants, contaminants, toxics or hazardous 
substances or wastes into the environment, or the clean-up or other 
remediation thereof.

            "Eurodollar Reserves" shall mean a fraction, the numerator of 
which is one (1.00) and the denominator of which is one (1.00) minus the 
aggregate of the maximum reserve percentages (including but not limited to 
all special, supplemental, marginal and


                                      2
<PAGE>

emergency reserves), expressed as a decimal, as established from time-to-time 
by the Board of Governors of the Federal Reserve System or any other 
regulatory authority to which the Bank is subject for maintaining reserves 
related to its "Eurocurrency liabilities" (as such term is defined in 
Regulation D as promulgated by said Board of Governors), adjusted 
automatically on and as of the effective date of any change in any reserve 
percentage.

            "Event of Default" shall mean any one or more of the events 
specified in Section 6.1 hereof.

            "GAAP" shall mean generally accepted accounting principles set 
forth by the Accounting Principles Board, the American Institute of Certified 
Public Accountants, the Financial Accounting Standards Board or otherwise as 
generally recognized by the United States accounting profession to define 
accepted accounting practice as of the date of determination.

            "Indebtedness" shall mean, with respect to the Borrower, (i) all 
indebtedness for borrowed money and for the deferred purchase price of 
property or services due more than 45 days from the date of payment specified 
on the invoice for such obligation with respect to which the Borrower is 
primarily liable as obligor and (ii) obligations under leases which shall 
have been or should be, in accordance with GAAP, reported as capital leases 
with respect to which the Borrower is primarily liable.

            "Index Rate" shall mean that rate established and published from 
time to time by the Bank as its prime, base or reference rate. The Index Rate 
is determined by the Bank at its discretion based on various factors 
including its costs of funds and desired return, general economic conditions 
and other factors. The Bank uses the Index Rate as a benchmark for pricing 
certain types of loans. Depending upon the circumstances, such as the amount 
and terms of a loan, the creditworthiness of a borrower or any guarantor, the 
presence and nature of collateral and other relationships between a borrower 
and the Bank, loans may be priced at, above or below the Index Rate. The 
Borrower acknowledges that the use of the appellation "Index Rate" does not 
constitute a representation on the part of the Bank that no loans or 
forbearances are made by the Bank at a lesser rate of interest. In the event 
that the Bank shall cease to establish or publish an Index Rate, whether 
denominated as such or otherwise, the Index Rate shall be deemed to be the 
average "prime," "base" or "reference" interest rate for each calendar month, 
as of the first day of such calendar month, of the three largest (as 
determined by total assets) banking institutions in the State of California 
then establishing or publishing a "prime," "Base" or "reference" rate of 
interest; provided, however, that in the event any such banking institution 
publishes more than one such rate, the rate used with respect to such banking 
institution shall be the highest among those so published by it.

            "Interest Payment Date" shall mean: (i) with respect to any 
Advance, the last day of each Interest Period applicable to such Advance and 
the Commitment Termination

                                      3
<PAGE>

Date; and (ii) with respect to the Term Loan, the last day of each Interest 
Period and the Maturity Date.

            "Interest Period" shall mean, with respect to each Advance, the 
period commencing on the date of such Advance or on the last day of each 
immediately preceding Interest Period applicable to such Advance in the event 
of a conversion or continuation pursuant to Section 2.7 hereof (as the case 
may be) and, with respect to the Term Loan, the period commencing on the 
Commitment Termination Date or on the last day of each immediately preceding 
Interest Period in the event of a conversion or continuation pursuant to 
Section 2.7 hereof (as the case may be), and ending on the numerically 
corresponding day (or, if there is no numerically corresponding day, on the 
last day) in the calendar month that is one (1), two (2) or three (3) months 
thereafter (or such other periods as the Borrower and the Bank may later 
agree upon), all as the Borrower may specify in an Advance Request or Notice 
of Interest Period (as the case may be) or, if earlier, the date of 
prepayment of such Advance or the Term Loan (or any portion thereof), the 
Commitment Termination Date (as to Advances) or the Maturity Date (as to the 
Term Loan); provided, however, that (i) if any Interest Period would end on 
a day that is not a Business Day, such Interest Period shall be extended to 
the next succeeding Business Day unless such next succeeding Business Day 
would fall in the next calendar month, in which case such Interest Period 
shall end on the next preceding Business Day; (ii) in no event shall any 
Interest Period with respect to any Advance end later than the Commitment 
Termination Date or with respect to the Term Loan end later than the Maturity 
Date; and (iii) interest shall accrue from and including the first day of an 
Interest Period to but excluding the last day of such Interest Period.

            "LIBOR Base Rate" shall mean, with respect to any Advance or to 
the Term Loan and for any Interest Period, an interest rate per annum 
(rounded upwards, if necessary, to the next higher 1/16th of 1.00%) equal to 
seventy-five basis points (0.75%) plus the product of (i) the rate at which 
Dollar deposits approximately equal in principal amount to the Advance or 
the then-outstanding balance of the Term Loan for which the LIBOR Base Rate 
is being determined and for a maturity comparable to the Interest Period 
selected by the borrower are offered in immediately available funds to the 
Bank in the London interbank market at approximately 11:00 a.m., London time, 
on the day which is two (2) Business Days prior to the commencement of such 
Interest Period, multiplied by (ii) the Eurodollar Reserves in effect on the 
first day of such Interest Period.

            "Loan" shall mean the aggregate of all Advance hereunder and all 
other sums due and owing from the Borrower to the Bank pursuant to the terms 
hereof.

            "Loan Documents" shall mean: (i) this Agreement; (ii) the 
agreements, instruments and other documents referred to in Article III 
hereof; and (iii) any amendment, supplement, modification, consent or waiver 
of, to or in respect of any of the foregoing.

            "Material Adverse Effect" shall mean: (i) a materially adverse 
effect on the business, assets, operations, prospects or financial condition 
of the Borrower; (ii) a material


                                      4
<PAGE>

impairment of the ability of the Borrower to perform any of its material 
obligations under any Loan Document; or (iii) a material impairment of the 
rights of or benefits available to the Bank under any of the Loan Documents.

            "Maturity Date" shall mean September 26, 2000 or such earlier 
date on which the Bank may accelerate the Borrower's payment obligations 
hereunder as the result of an occurrence of an Event of Default; provided, 
however, that the Bank may extend the Maturity Date pursuant to Section 
2.3 hereof.

            "Notice of Interest Period" shall mean the written notice 
required to be provided by the Borrower to the Bank in connection with the 
Borrower's periodic election of Interest Periods for the Term Loan.

            "Note" shall mean that certain Revolving Credit and Term Note 
which the Borrower shall execute and deliver to the Bank pursuant to Section 
3.1 hereof.

            "Obligations" shall mean the obligations of the Borrower:

                        (i)  To pay the principal of and interest on the Loan 
      in accordance with the terms hereof and to perform all of its other 
      obligations, covenants and agreements to or for the benefit of the 
      Bank, whether hereunder or otherwise, now existing or hereafter 
      incurred, matured or unmatured, fixed or contingent, joint or several, 
      including any extensions, modifications or renewals thereof or 
      substitutions therefor; and

                        (ii)  To reimburse the Bank, on demand, for all of 
      the Bank's expenses and costs as more fully provided for herein in 
      connection with the preparation, amendment, modification or 
      enforcement of the Loan Documents, including without limitation any 
      proceeding brought or threatened to enforce payment of any of the 
      obligations referred to in clause (i) of this definition.

            "Permitted Liens" shall mean (i) liens and security interests 
securing indebtedness owed by the Borrower to the Bank; (ii) liens for taxes, 
assessments or similar charges either not more than 45 days past due or 
being contested in good faith; (iii) liens of materialmen, mechanics, 
warehousemen or carriers, or other like liens, arising in the ordinary course 
of business and securing obligations which are not more than 45 days past due 
or being contested in good faith; (iv) purchase money liens or purchase money 
security interests upon or in any property acquired or held by the Borrower in 
the ordinary course of business to secure Indebtedness outstanding on the 
date hereof or permitted to be incurred under Section 5.9 hereof; (v) liens 
and security interests which, as of the date hereof, have been disclosed to 
and approved by the Bank in writing; (vi) liens in connection with workers' 
compensation, unemployment insurance and such other types of insurance; 
(vii) liens resulting from zoning restrictions, easements and such other 
similar restrictions on the use of real property; and (ix) liens arising from 
judgments and attachments that would not constitute an Event of Default 
hereunder.

                                       5
<PAGE>

            "Subordinated Debt" shall mean such liabilities of the Borrower 
that have been subordinated to those owed to the Bank, such subordination to 
be effected in a manner that is acceptable to the Bank.

            "Subsidiary" shall mean, with respect to the Borrower, any 
entity with respect to which the Borrower directly or indirectly owns or 
controls at least a majority of such entity's voting stock, membership 
interests or other equity interests.

            "Term" shall mean the term of this Agreement, commencing on the 
date hereof and expiring on the Maturity Date; provided, however, that in the 
event the Borrower fails to pay to the Bank all sums required hereunder on or 
before the Maturity Date, the Borrower shall continue to be bound by the 
terms of this Agreement until all such sums are paid in full but the Bank 
shall be under no further obligations hereunder after such date.

            "Term Loan" shall mean the term loan described in Section 2.2 
hereof.

            "U.S. Dollars" or "US$" shall mean the lawful currency of the 
United States of America.

      1.2   GENERAL TERMS.  Except where the context requires otherwise, the 
definitions in Section 1.1 hereof shall apply equally to both the singular 
and plural forms of the terms defined. Whenever the context may require, any 
pronoun shall include the corresponding masculine, feminine and neuter forms. 
The words "include," "includes" and "including" shall be deemed to be 
followed by the phrase "without limitation." Unless otherwise stated, 
references to Sections Articles, Schedules and Exhibits made herein are to 
Sections, Articles, Schedules or Exhibits, as the case may be, of this 
Agreement, and references herein to any document, including but not limited 
to this Agreement, shall be deemed to refer to the document as it now exists 
or as it may from time-to-time be amended. References herein to a "person" or 
"persons" shall be deemed to include an individual, corporation, partnership, 
limited liability company, trust, unincorporated association, joint venture, 
joint-stock company, government (including political subdivisions and 
agencies thereof) or any other entity whatsoever.

      1.3   ACCOUNTING TERMS.  All references to financial statements, 
assets, liabilities and similar accounting terms not specifically defined 
herein shall mean such terms as used or determined in accordance with GAAP 
consistently applied over the period(s) in question, and except where 
otherwise specified, all financial information submitted by the Borrower 
pursuant to this Agreement shall be prepared in accordance with GAAP.

  
                                  ARTICLE II
                                   THE LOAN

      2.1   THE REVOLVING LINE OF CREDIT.  Subject to the terms of this 
Agreement, the Borrower may at any time and from time to time before the 
Commitment Termination Date, and so long as no Event of Default (or event 
which with the giving of notice or the passage


                                       6
<PAGE>

of time or both would become an Event of Default) has occurred, borrow from 
the Bank pursuant hereto, and the Bank shall lend to the Borrower, such 
requested Advances, each in an amount of not less than Five Hundred Thousand 
and No/100 U.S. Dollars (US$500,000.00), or any integral multiple thereof, 
not to exceed in the aggregate at any one time outstanding during the Term 
hereof the amount of the Commitment. Subject to the terms hereof, the 
Borrower may borrow, repay and reborrow sums until the Commitment Termination 
Date.

     2.2  CONVERSION TO TERM LOAN.  On the Commitment Termination Date, all 
Advances outstanding hereunder shall automatically convert to a two-year term 
loan (the "Term Loan") in an amount equal to the aggregate principal amount 
of such Advances outstanding on such day. The Term Loan shall bear interest 
at the LIBOR Base Rate for Interest Periods to be selected by the Borrower, 
and all such interest shall be due and payable, pursuant to Section 2.7 
hereof. In addition, the Borrower shall repay a portion of the outstanding 
principal balance of the Term Loan on the last day of each three-month 
period, commencing on the day which is three months after the Commitment 
Termination Date, each such quarterly repayment to be in an amount equal to 
five percent (5%) of the principal balance of the Term Loan outstanding on 
the Commitment Termination Date. On the Maturity Date, all outstanding 
principal and accrued and unpaid interest shall be due and payable in full.

     2.3  EXTENSION OF COMMITMENT TERMINATION DATE AND MATURITY DATE.  The 
Borrower may request that the Bank extend the Commitment Termination Date for 
successive one-year periods. Each such request must be made in writing and 
received by the Bank not less than 30 days or more than 90 days prior to the 
then-effective Commitment Termination Date. The Bank may consent to any 
request for such extension at the Bank's sole discretion.  If the Bank agrees 
to extend the Commitment Termination Date, the Maturity Date shall likewise 
be extended for one year. Any consent by the Bank to extend the Commitment 
Termination Date on one occasion shall not be deemed a consent by the Bank to 
any subsequent extension request from the Borrower.

     2.4  DISBURSEMENTS.

          a.  ADVANCES.  Upon satisfaction in full of the conditions 
     precedent set forth in Article III hereof, the Bank shall make Advances 
     hereunder upon receipt by the Bank of an Advance Request pursuant to 
     paragraph (b) of this Section 2.4 from any one of the individuals whose 
     names are set forth in Exhibit "A" attached hereto, acting alone, or from 
     any individual authorized in writing to the Bank to so act by any one of 
     the individuals named in Exhibit "A" hereto. Notwithstanding anything to 
     the contrary herein contained, any Advance shall be conclusively presumed 
     to have been made to or for the benefit of the Borrower so long as the 
     Bank believes in good faith that the requests and directions received 
     by the Bank in connection therewith have been made by a person 
     authorized hereunder, regardless of the fact that persons other than 
     those authorized hereunder may have made such an Advance Request.


                                      7
<PAGE>

          b.  NOTICE OF ADVANCES.  In order to request an Advance, the 
     Borrower shall give written notice (or telephonic notice promptly 
     confirmed in writing or by facsimile transmission) to the Bank in the 
     form of Exhibit "B" hereto (or in such other form as may from time to 
     time be acceptable to the Bank) not later than 7:00 a.m., Los Angeles 
     time, on the day which is two (2) Business Days prior to the date of the 
     proposed Advance. Such notice shall be irrevocable and shall in each 
     case refer to this Agreement and specify: (i) the date of such Advance 
     (which shall be a Business Day); (ii) the amount of such Advance; and 
     (iii) the Interest Period with respect thereto. If no Interest Period 
     with respect to the Advance is specified in such notice, then the Borrower 
     shall be deemed to have selected an Interest Period of one (1) month's 
     duration.

          c.  METHOD OF DISBURSEMENT.  Each Advance shall be disbursed by the 
     Bank to the Borrower's account at Sanwa Bank California, ABA 122003516, 
     Account Number 261331033, Bnf; International Rectifier Corp.

     2.5  THE NOTE.  Concurrently with the execution of this Agreement, the 
Borrower shall execute and deliver to the Bank the Note in the form of 
Exhibit "C" hereto. All Advances and the Term Loan shall be evidenced by the 
Note. The Bank shall record on the schedule annexed to the Note the date of 
each Advance, the amount of each Advance and each payment of principal and 
interest on the Loan; provided, however, that the Bank's failure to make any 
such notation on the Note shall not excuse, limit or otherwise affect the 
obligations of the Borrower hereunder, nor shall such failure affect the 
recognition of payments of principal and interest on the Loan.

     2.6  REPAYMENT OF PRINCIPAL.  The Borrower shall repay to the Bank the 
outstanding principal balance of each Advance on the last day of the 
applicable Interest Period relating thereto (unless the Borrower shall 
convert or continue an Advance in accordance with Section 2.7 hereof) and 
shall repay the aggregate outstanding principal balance of the Term Loan in 
accordance with Section 2.2 hereof.

     2.7  INTEREST RATE AND PAYMENT OF INTEREST.

          a.  INTEREST RATE.  Each Advance and the Term Loan shall bear 
     interest at a rate per annum equal to the LIBOR Base Rate for the Interest 
     Period then in effect, computed on the basis of the actual number of days 
     elapsed over a year of 360 days. Interest shall be due and payable on 
     each applicable Interest Payment Date in an amount as shall be determined 
     by the Bank, which determination shall be conclusive absent manifest 
     error. The Bank shall use reasonable efforts to advise the Borrower of 
     such determination three (3) Business Days prior to each applicable 
     Interest Payment Date, but the Bank's failure to so advise the Borrower 
     shall in no way impair the Bank's right to receive timely payment of all 
     sums due the Bank hereunder.


                                      8
<PAGE>

    b.   CONVERSIONS AND CONTINUATIONS.  The Borrower shall have the right at 
any time upon prior irrevocable telephonic notice (which shall be confirmed 
promptly by providing the Bank with a Notice of Interest Period in the form 
of Exhibit "D" hereto) to the Bank (i) before 7:00 a.m., Los Angeles time, on 
the day which is two (2) Business Days prior to conversion, to convert the 
Interest Period with respect to any Advance or the Term Loan to another 
permissible Interest Period, and (ii) before 7:00 a.m., Los Angeles time, on 
the day which is two (2) Business Days prior to continuation, to continue 
any Advance or the Term Loan into a subsequent Interest Period of the same 
duration, subject in each case to the following:

         (i)    in the case of a conversion or continuation of less than all 
Advances, the aggregate principal amount of Advances so converted or 
continued shall not be less than Five Hundred Thousand and No/100 U.S. 
Dollars (US$500,000.00), shall be in integral multiples thereof and after such
conversion and/or continuation there shall not be outstanding Advances in the
aggregate with more than three (3) different interest rates and three (3) 
different Interest Periods;

         (ii)   in the case of a conversion or continuation of the Term Loan, 
the entire principal balance of the Term Loan from time to time outstanding 
must be converted or continued into one Interest Period;

         (iii)  the Borrower shall pay all accrued interest on an Advance or 
the Term Loan being converted or continued at the time of conversion or 
continuation;

         (iv)   if any Advance or the Term Loan (as the case may be) is 
converted at a time other than the end of the Interest Period applicable 
thereto, the Borrower shall pay any increased costs associated therewith 
pursuant to Section 2.13 hereof; and

         (v)    no Advance may be converted into or continued as an Advance 
with an Interest Period ending after the Commitment Termination Date, any 
Advance for which the shortest available Interest Period would extend beyond 
the Commitment Termination Date shall automatically bear interest from the 
end of the then-effective Interest Period to the Commitment Termination Date 
at the Index Rate, and the Term Loan may not be converted or continued into 
an Interest Period which extends beyond the Maturity Date.

If the Borrower shall not have given timely notice to convert or continue any 
Advance or the Term Loan into a subsequent Interest Period, the Advance or 
Term Loan, as the case may be, shall (unless repaid pursuant to the terms 
hereof), subject to clauses (i), (ii), (iii), (iv) and (v) above, 
automatically be continued into a new Interest Period of one (1) month's 
duration.

                                       9
<PAGE>

    c.   INTEREST ON OVERDUE AMOUNTS; ALTERNATIVE RATE OF INTEREST.
Notwithstanding any provision of this Section 2.7 to the contrary, the 
Borrower shall pay interest as follows:

         (i)    If the Borrower shall default in the payment of the principal 
of or interest on any Advance or the Term Loan, or any fees or other amounts 
becoming due hereunder, whether by scheduled maturity, notice of prepayment, 
acceleration or otherwise, the Borrower shall on demand from time to time 
from the Bank pay interest from and including the date of such default, to 
the extent permitted by law, on such defaulted amount up to (but not 
including) the date of actual payment (after as well as before judgment) at 
a rate per annum (computed as provided in paragraph (a) of this Section 2.7) 
equal to the Index Rate plus three percent (3.00%).

         (ii)   In the event, and on each occasion, that on the day which is 
two (2) Business Days prior to the commencement of any Interest Period the 
Bank shall have determined that U.S. Dollar deposits in the principal amount 
of the Advance or the then-outstanding principal balance of the Term Loan are 
not generally available to the Bank in the London interbank market, or that 
reasonable means do not exist for ascertaining the LIBOR Base Rate, or that 
the rate at which U.S. Dollar deposits are being offered will not adequately 
and fairly reflect the cost to the Bank of making or maintaining any Advance 
or the Term Loan during such Interest Period, the Bank shall, as soon as 
practicable thereafter, give notice of such determination to the Borrower and 
until the circumstances giving rise to such notice no longer exist, all 
outstanding Advances or the outstanding principal balance of the Term Loan, 
as the case may be, shall bear interest at the Index Rate. Upon the Bank's 
determination that the circumstances giving rise to the foregoing notice no 
longer exist, the Bank shall so notify the Borrower, and all outstanding 
Advances or the outstanding principal balance of the Term Loan, as the case 
may be, shall once again bear interest at the LIBOR Base Rate. Each 
determination by the Bank hereunder shall be conclusive and binding absent 
manifest error.

    d.   USURY LAW.  It is the intent of the Bank and the Borrower in the 
execution of this Agreement, the Note and all other Loan Documents to 
contract in strict compliance with the usury laws of the State of California 
(the "Usury Law"). In furtherance thereof, the Bank and the Borrower stipulate 
and agree that none of the terms and provisions contained herein or in the 
Note or under any other Loan Document, or in any other instrument executed in 
connection herewith or therewith, shall ever be construed to create a 
contract to pay for the use, forbearance or detention of money at a rate of 
interest in excess of the maximum interest rate permitted to be charged by 
the Bank in compliance with the Usury Law. Neither the Borrower nor any 
guarantors, endorsers or other parties now or hereafter becoming liable for 
payment hereunder or under the Note or any other Loan Document shall ever be 
required to pay interest thereon at a rate in excess of the maximum interest 
that may be lawfully charged by the Bank in compliance with the Usury Law, 
and the provisions of this

                                      10
<PAGE>

     paragraph 2.7(d) shall control over all other provisions hereof or of 
     the Note or any other Loan Documents, and of any other instruments now 
     or hereafter executed in connection herewith or therewith, which may be 
     in apparent conflict herewith. If the maturity of any Obligations shall 
     be accelerated for any reason or if the principal of the Note is paid 
     prior to the expiration of the respective term thereof, and as a result 
     thereof the interest received for the actual period of existence of the 
     Loan exceeds the applicable maximum lawful rate permitted to be charged 
     by the Bank in compliance with the Usury Law, the Bank shall refund to 
     the Borrower the amount of such excess or shall, at its option, credit 
     the amount of such excess against the principal balance of the Loan then 
     outstanding. In the event that the Bank shall collect monies which are 
     deemed to constitute interest in excess of the lawful rate which the 
     Bank may charge, for any reason whatsoever, such monies shall, upon such 
     determination and at the option of the Bank, be immediately either 
     returned to the Borrower or credited against the principal balance of 
     the Loan then outstanding.

     2.8  THE COMMITMENT FEE. In addition to the payment of interest 
hereunder and not in lieu thereof, the Borrower shall pay to the Bank the 
Commitment Fee as follows:

          a.  AMOUNT. The Commitment Fee shall be computed daily at the rate 
     of twenty-five basis points (0.25%) per annum on the difference between 
     the Commitment and the aggregate principal balance of all Advances 
     outstanding from time-to-time on the basis of a 360-day year for the 
     actual number of days elapsed (including the first day but excluding the 
     last day) during the period for which the Commitment Fee is payable.

          b.  PAYMENT. The Commitment Fee shall be paid quarterly in arrears 
     on the last Business Day of each calendar quarter, on the Commitment 
     Termination Date and on demand during the continuance of any Event of 
     Default.

          c.  ASSESSMENT PERIOD. The Commitment Fee shall be assessed only 
     for the period commencing on the date of this Agreement and expiring on 
     the Commitment Termination Date.

     2.9       PREPAYMENTS AND REDUCTION OF THE COMMITMENT.

          a.  PREPAYMENT. The Borrower shall have the right to make payments 
     in reduction of the outstanding balance of the Loan, in whole or in part 
     at any time, subject to the provisions of Section 2.13 hereof; provided, 
     however, that each such prepayment must be accompanied by payment of all 
     interest accrued thereon, and provided further that such prepayment must 
     be in the amount of Five Hundred Thousand and No/100 U.S. Dollars 
     (US$500,000.00) or integral multiples thereof, or the outstanding 
     balance if less. Any amount of principal so repaid prior to the 
     Commitment Termination Date shall become available for future Advances 
     subject to 

                                     11
<PAGE>

     the terms and conditions of this Agreement, but any amount of principal 
     repaid on or after the Commitment Termination Date shall not be 
     available for reborrowing.

          b.  REDUCTION OF THE COMMITMENT. Upon not less than five (5) 
     Business Days' written notice to the Bank, the Borrower may terminate 
     the Commitment in whole or in part; provided, however, that each partial 
     reduction shall be in an amount of not less than One Million and No/100 
     U.S. Dollars (US$1,000,000.00) or any integral multiple thereof, and 
     provided further that in no event may the Commitment be reduced to an 
     amount less than the then-outstanding principal balance of the Loan.

     2.10 PAYMENTS TO THE BANK. All sums payable to the Bank hereunder shall 
be paid directly to the Bank, in U.S. Dollars and immediately available 
funds, by wire transfer to the account of the Bank at The Dai-Ichi Kangyo 
Bank, Ltd., New York, ABA No. 026004307, for the account of The Dai-Ichi 
Kangyo Bank, Ltd., Los Angeles Agency, Account No. 79740111195, Reference 
International Rectifier, Attn: LAD, or to such other account as the Bank may 
from time to time notify the Borrower.

     2.11 CHANGE IN CIRCUMSTANCES.

          a.  CHANGES TO TAXES AND RESERVE REQUIREMENTS. Notwithstanding any 
     other provision herein to the contrary, if after the date of this 
     Agreement any change in applicable law or regulation or in the 
     interpretation or administration thereof by any governmental authority 
     charged with the interpretation or administration thereof (whether or 
     nor having the force of law) shall change the basis of taxation of 
     payments to the Bank of the principal of or interest on any Advance or 
     the Term Loan or any fees or other amounts payable hereunder (other than 
     changes with respect to taxes imposed on the overall net income of the 
     Bank by the jurisdiction in which the Bank has its principal office or 
     by any political subdivision or taxing authority therein), or shall 
     impose, modify or deem applicable any reserve, special deposit or 
     similar requirement against assets of, deposits with or for the account 
     of or credit extended by, the Bank or shall impose upon the Bank or the 
     London interbank market for LIBOR deposits any other condition affecting 
     this Agreement, the Commitment or Advances made by the Bank, and the 
     result of any of the foregoing shall be to increase the cost to the 
     Bank of making or maintaining the Commitment or the Loan or to reduce 
     the amount of any sum received or receivable by the Bank hereunder 
     (whether of principal, interest or otherwise) in respect thereof by an 
     amount deemed by the Bank to be material, then the Borrower will pay to 
     the Bank upon demand such additional amount or amounts as will 
     compensate the Bank for such additional costs incurred or reductions 
     suffered.

          b.  CAPITAL ADEQUACY. If the Bank shall have determined that the 
     adoption after the date hereof of any law, rule, regulation or guideline 
     regarding capital adequacy, or any change in any of the foregoing or in 
     the interpretation or administration of any of the foregoing by any 
     governmental authority charged with the


                                        12
<PAGE>

     interpretation or administration thereof, or compliance by the Bank or its 
     holding company with any request or directive regarding capital adequacy 
     (whether or not having the force of law) made or promulgated after the 
     date hereof by any such governmental authority, has or would have the 
     effect of reducing the rate of return on the Bank's capital or on the 
     capital of its holding company as a consequence of its obligations under 
     this Agreement or the Loan made by the Bank pursuant hereto to a level 
     below that which the Bank or its holding company could have achieved but 
     for such adoption, change or compliance (taking into consideration the 
     Bank's guidelines with respect to capital adequacy) by an amount deemed by 
     the Bank to be material, then from time to time the Borrower shall pay to 
     the Bank such additional amount or amounts as will compensate the Bank or 
     its holding company for any reduction suffered.

          c.   DELIVERY OF CERTIFICATE.  A certificate of the Bank setting 
     forth such amount or amounts as shall be necessary to compensate the Bank 
     as specified in paragraphs (a) or (b) of this Section 2.11 (as the case 
     may be) shall be delivered to the Borrower and shall be conclusive absent 
     manifest error. Except as provided in paragraph (d) of this Section 2.11,
     the Borrower shall pay the Bank the amount shown as due on any such 
     certificate delivered by the Bank within thirty (30) days after the 
     Borrower's receipt of the same. The Bank shall submit such a certificate 
     to a Borrower no more often than monthly; provided, however, that 
     certificates with respect to amounts due as to an identifiable Advance 
     or the Term Loan may also be submitted at the end of the then-effective 
     Interest Period applicable thereto. 

         d.  NO WAIVER, FAILURE TO MAKE CLAIM.  Failure on the part of the 
    Bank to demand compensation for any increased costs or reduction in 
    amounts received or receivable or reduction in return on capital shall 
    not constitute a waiver of the Bank's rights with respect to any period 
    to demand compensation for any increased costs or reduction in amounts 
    received or receivable or reduction in return on capital with respect to 
    such period or any other period. If the Bank shall receive as a refund 
    any moneys from any source that it has listed on the certificate provided 
    pursuant to paragraph 2.11(c) as an increased cost, to the extent that 
    the Borrower has previously paid such increased cost to the Bank, the 
    Bank shall promptly forward such refund to the Borrower without interest 
    and less all out-of-pocket expenses incurred by the Bank in obtaining 
    such refund; provided, however, that the Borrower shall promptly return 
    such refund (plus penalties, interest and other charges) to the Bank in 
    the event that the Bank is later required to repay such refund.

    2.12  CHANGE IN LEGALITY.  Notwithstanding anything to the contrary herein 
contained, if any change in any law or regulation or in the interpretation 
thereof or any new law, regulation or interpretation by any governmental 
authority charged with the administration or interpretation thereof or any 
judgment, order or directive of any competent court, tribunal or authority 
shall make it unlawful for the Bank to make any Advance or maintain the Loan at 
the LIBOR Base Rate or otherwise to give effect to its obligations as


                                       13
<PAGE>

contemplated hereby (an "Illegality"), then, by written notice to the 
Borrower, the Bank may:

               (i)  declare that Advances bearing interest at the LIBOR Base 
     Rate will not thereafter be made by the Bank, whereupon any request by 
     the Borrower for an Advance shall be deemed a request for an Advance 
     bearing interest at the Index Rate unless and until such declaration shall 
     be subsequently withdrawn; and

              (ii)  require that all outstanding Advances or the outstanding 
     principal balance of the Term Loan, as the case may be, bear interest at 
     the Index Rate, in which event (A) all such Advances or the outstanding 
     principal balance of the Term Loan, as the case may be, shall 
     automatically bear interest at the Index Rate as of the effective date of 
     the notice required by this Section 2.12, (B) all payments and prepayments 
     of principal which would otherwise have been applied to repay the Advances 
     or the Term Loan bearing interest at the LIBOR Base Rate shall instead be 
     applied to repay the Advances or the Term Loan bearing interest at the 
     Index Rate, and (C) the Advances or the Term Loan bearing interest at the 
     Index Rate shall be prepayable only at the times such amounts would have 
     been prepayable had the interest rate not been changed to the Index Rate.

For purposes of this Section 2.12, a notice to the Borrower by the Bank shall 
be effective, if lawful, on the last day of the then-current Interest Period 
with respect thereto; provided, however, that such notice shall be effective 
on the date of receipt by the Borrower if there are no outstanding Advances 
to the Borrower, and provided further that, if it is not lawful for the Bank 
to maintain any Advance or the Term Loan (as the case may be) bearing 
interest at the LIBOR Base Rate until the end of the Interest Period 
applicable thereto, the notice to the Borrower shall be effective upon 
receipt by the Borrower. The Bank agrees that it will notify the Borrower as 
soon as practicable if the conditions giving rise to an Illegality cease to 
exist.

     2.13  INDEMNITY.  The Borrower shall indemnify the Bank and hold the 
Bank harmless from and against any loss or expense which the Bank may sustain 
or incur as a direct consequence of: (i) any payment, prepayment or 
conversion, whether required by any provision of this Agreement or otherwise 
made, on a date other than the last day of the applicable Interest Period; 
(ii) any default in payment or prepayment of the principal amount of any 
portion of the Loan or interest accrued thereon, as and when due and payable 
(whether at scheduled maturity, by notice of prepayment, acceleration or 
otherwise); (iii) the occurrence of any Event of Default, including any loss 
sustained or incurred or to be sustained or incurred in liquidating or 
employing deposits from third parties acquired to effect or maintain any 
portion of the Loan bearing interest at the LIBOR Base Rate; (iv) any 
failure by the Borrower to fulfill on the date of any Advance hereunder the 
applicable conditions set forth in Article III hereof; or (v) any failure of 
the Borrower to borrow or to convert or continue any portion of the Loan 
bearing interest at the LIBOR Base Rate hereunder after irrevocable notice of 
such borrowing, conversion or continuation has been


                                       14
<PAGE>

given pursuant to Sections 2.4 or 2.7 hereof. Such loss or expense shall be 
the difference as reasonably determined by the Bank between: (i) an amount 
equal to the principal amount of such portion of the Loan being paid, prepaid 
or converted, or such amount as is not borrowed, converted or continued, 
multiplied by a percentage per annum (computed on the basis of a 360-day year 
and actual days remaining for the balance of the Interest Period applicable, 
or which would have been applicable, to such portion of the Loan being paid, 
prepaid or converted or not borrowed, converted or continued) equal to the 
greater of (A) the LIBOR Base Rate applicable to any portion of the Loan 
being paid, prepaid or converted, or such amount as is not borrowed, 
converted or continued, or (B) the Bank's cost of obtaining the funds for 
such portion of the Loan being paid, prepaid or converted, or such amount as 
is not borrowed, converted or continued; and (ii) any lesser amount that 
would be realized by the Bank in reemploying the funds received in payment, 
prepayment or conversion, or as a result of the failure to borrow, convert or 
continue, during the period from the date of such payment, prepayment or 
conversion, or failure to borrow, convert or continue, to the end of the 
Interest Period applicable to such portion of the Loan or such amount at the 
interest rate that would apply to an interest period of approximately such 
duration. The Bank shall provide to the Borrower a statement explaining the 
amount of any such loss or expense, which statement shall, in the absence of 
manifest error, be conclusive. 

     2.14    TAXES.

             a.    GROSS-UP. Any and all payments by the Borrower 
     hereunder shall be made free and clear of and without deduction for any 
     and all present or future taxes, levies, imposts, deductions, charges 
     or withholdings, and all liabilities with respect thereto, excluding 
     taxes imposed on the Bank's (or any transferee's or assignee's, including 
     a participation holder's [any such entity, a "Transferee"]) net income 
     and franchise taxes imposed on the Bank (or Transferee, as the case may 
     be) by the United States or any jurisdiction under the laws of which it 
     is organized or is engaged in business or any political subdivision 
     thereof (all such nonexcluded taxes, levies, imposts, deductions, 
     charges, withholdings and liabilities being hereinafter referred to as 
     "Taxes"). If the Borrower shall be required by law to deduct any Taxes 
     from or in respect of any sum payable hereunder to the Bank (or any 
     Transferee, as the case may be) (i) the sum payable shall be increased by 
     the amount necessary so that after making all required deductions 
     (including deductions applicable to additional sums payable under this 
     Section 2.14) the Bank (or Transferee, as the case may be) shall receive 
     an amount equal to the sum it would have received had no such deductions
     been made, (ii) the Borrower shall make such deductions and (iii) the 
     Borrower shall pay the full amount deducted to the relevant taxing 
     authority or other governmental authority in accordance with applicable 
     law.

             b.    STAMP TAXES. In addition, the Borrower agrees to pay 
     any present or future stamp or documentary taxes or any other excise or 
     property taxes, charges or similar levies which may arise from any 
     payment made hereunder or from the 

                                      15

<PAGE>

     execution, delivery or registration of, or otherwise with respect to, 
     this Agreement or any other Loan Document (hereinafter referred to as 
     "Other Taxes").

             c.    TAX INDEMNITY. The Borrower will indemnify the Bank 
     (or Transferee, as the case may be) for the full amount of Taxes and 
     Other Taxes (including any Taxes or Other Taxes imposed by any 
     jurisdiction on amounts payable under this Section 2.14) paid by the Bank 
     (or Transferee, as the case may be) and any liability (including 
     penalties, interest and expenses) arising therefrom or with respect 
     thereto, whether or not such Taxes or Other Taxes were correctly or 
     legally asserted by the relevant taxing authority or other governmental 
     authority. Such indemnification shall be made within thirty (30) days 
     after the date on which the Bank (or Transferee, as the case may be) 
     makes written demand therefor. If the Bank (or Transferee, as the case 
     may be) shall become aware that it is entitled to receive a refund with 
     respect to Taxes or Other Taxes, it shall promptly notify the Borrower 
     of the availability of such refund and shall, within thirty (30) days 
     after receipt of a request by the Borrower, apply for such refund at the 
     Borrower's expense. If the Bank (or Transferee, as the case may be) 
     receives a refund with respect to any Taxes or Other Taxes for which the 
     Bank (or Transferee, as the case may be) has received payment from the 
     Borrower under this Section 2.14, it shall promptly notify the Borrower 
     of such refund and shall, within thirty (30) days after receipt of a 
     request by the Borrower (or promptly upon receipt, if the Borrower has 
     requested application for such refund pursuant hereto), repay such 
     refund to the Borrower, net of all out-of-pocket expenses of the Bank 
     and without interest; provided, however, that the Borrower, upon the 
     request of the Bank (or Transferee, as the case may be) agrees to return 
     such refund (plus penalties, interest or other charges) to the Bank (or 
     Transferee, as the case may be) in the event that the Bank (or 
     Transferee, as the case may be) is required to repay such refund.

             d.    DELIVERY OF RECEIPT. Within thirty (30) days after the 
     date of any payment of Taxes or Other Taxes withheld by the Borrower 
     with respect to any payment to the Bank (or Transferee, as the case may 
     be), the Borrower will furnish to the Bank the original or a certified 
     copy of a receipt evidencing payment thereof.
     
             e.    TAX FORMS. The Bank agrees that it shall provide the 
     Borrower with such forms as are prescribed by the Internal Revenue 
     Service to afford the Bank an exemption from United States withholding 
     taxes on payments made hereunder by the Borrower (currently Form 1001 or 
     From 4224). If the Bank fails to provide such required form(s) to the 
     Borrower, the Borrower shall not be obligated to "gross up" under 
     paragraph (a) of this Section 2.14 until it receives such forms.

             f.    SURVIVAL. Without prejudice to the survival of any 
     other provision of this Agreement, the agreements and obligations 
     contained in this Section 2.14 shall survive the payment in full of the 
     principal of and interest on the Loan.


                                      16
<PAGE>

                                ARTICLE III
                            CONDITIONS PRECEDENT


     The obligation of the Bank to make the Commitment or any Advance 
hereunder is subject to the satisfaction of the following conditions 
precedent:

     3.1  DOCUMENTS REQUIRED PRIOR TO AN INITIAL DISBURSEMENT.  The Borrower 
shall have delivered to the Bank, prior to the initial disbursement of an 
Advance hereunder, the following documents in form and substance satisfactory 
to the Bank:

               (i)    this Agreement, duly executed by the Borrower;

               (ii)   the Note, duly executed by the Borrower;

               (iii)  an opinion of the Borrower's General Counsel, dated as 
     of the date hereof, in form and substance acceptable to the Bank;

               (iv)   a certificate of the Secretary of the Borrower, dated 
     as of the date hereof, certifying: (A) that attached thereto is a true, 
     correct and complete copy of the Certificate of Incorporation of the 
     Borrower; (B) that attached thereto is a true, correct and complete copy 
     of the Bylaws of the Borrower, as in effect on the date of such 
     certificate; (C) that attached thereto is a true, correct and complete 
     copy of the resolutions duly adopted by the Board of Directors of the 
     Borrower authorizing the execution, delivery and performance of this 
     Agreement and all other Loan Documents by the Borrower and that said 
     resolutions have not been amended or revoked and are in full force and 
     effect on the date of such certificate; and (D) as to the incumbency and 
     specimen signature of each officer of the Borrower executing this 
     Agreement or any other instrument or document to be executed and 
     delivered by the Borrower in connection herewith; and 

               (v)    a certificate of good standing for the Borrower, issued 
     by the Secretary of State of the State of California and dated within 
     ten (10) days of the date hereof.

     3.2  CONDITIONS PRECEDENT TO EACH DISBURSEMENT.  At the time of each and 
every disbursement of an Advance hereunder:

               (i)    no Event of Default shall have occurred and be 
     continuing, nor shall any event have occurred and be continuing that 
     with the giving of notice or the passage of time, or both, would be an 
     Event of Default;

               (ii)   no event shall have occurred which constitutes a 
     Material Adverse Effect;


                                     17

<PAGE>

               (iii)  all of the Loan Documents shall be and remain in full 
     force and effect; and

               (iv)   the Borrower shall have provided the Bank with an 
     Advance Request pursuant to Section 2.4 hereof.


                                 ARTICLE IV
                REPRESENTATIONS AND WARRANTIES OF THE BORROWER


     The Borrower hereby represents and warrants to the Bank as follows:

     4.1       AUTHORIZATION.  The Borrower has the power and authority to 
enter into and perform its obligations under this Agreement, the Note and 
each and every other Loan Document, and to incur the Obligations herein and 
therein provided for, and has taken all corporate actions necessary to 
authorize the execution, delivery and performance of this Agreement, the Note 
and each and every other Loan Document.

     4.2       ENFORCEABILITY.  This Agreement constitutes, and the Note when 
delivered will constitute, the legal, valid and binding Obligations of the 
Borrower, enforceable upon the Borrower in accordance with their respective 
terms except to the extent that such enforceability may be limited by 
bankruptcy, insolvency, reorganization, moratorium or similar laws of 
general application from time to time affecting the rights of creditors 
generally.

     4.3       NO PROCEEDINGS.  Except as has been disclosed to the Bank in 
writing, there are no actions, suits or proceedings at law or in equity or by 
or before any governmental authority as to which the Borrower has been served 
or otherwise given notice or, to the knowledge of the Borrower, pending or 
threatened against or affecting the Borrower or the businesses, assets or 
rights of the Borrower as to which there is a reasonable possibility of an 
adverse determination and which, if adversely determined, could, individually 
or in the aggregate, reasonably be expected to have a Material Adverse Effect.

     4.4       COMPLIANCE WITH LAWS AND AGREEMENTS.  The Borrower is not in 
violation of any law, or in default with respect to any judgment, writ, 
injunction, decree, rule or regulation of any governmental authority, where 
such violation or default could reasonably be expected to have a Material 
Adverse Effect. The Borrower is not in default under any provision of any 
indenture, or any other material agreement or instrument to which it is a 
party or by which it or any of its respective properties or assets are or may 
be bound, where such default could reasonably be expected to have a Material 
Adverse Effect, and the entering into and performance by the Borrower of this 
Agreement, the Note and the other Loan Documents will not (immediately or 
with the expiration of any applicable cure period or the giving of notice, or 
both): (i) violate any charter or bylaw provision of the Borrower, or violate 
any law or result in a default under any contract, agreement or instrument to 
which the Borrower is a party or by which the Borrower or its properties is 
bound; or (ii) result in

                                     18
<PAGE>

the creation or imposition of any security interest in, or lien upon, any of 
the assets of the Borrower.

    4.5   MISLEADING STATEMENTS.  No representation or warranty by the 
Borrower contained herein or in any certificate or other document furnished 
by the Borrower to the Bank pursuant hereto contains any untrue statement of 
material fact or omits to state a material fact necessary to make such 
representation or warranty not misleading in light of the circumstances 
under which it was made.

    4.6   CONSENTS.  Each consent, approval or authorization of, or filing, 
registration or qualification with, any entity which is required to be 
obtained or effected by the Borrower in connection with the execution and 
delivery of this Agreement, the Note and all other Loan Documents, or the 
undertaking or performance of any Obligation hereunder or thereunder, has 
been duly obtained or effected.

    4.7   NO SUBORDINATION.  The Obligations of the Borrower under this 
Agreement, the Note and the other Loan Documents are at least pari passu with 
all other unsecured indebtedness of the Borrower with respect to any of its 
domestic loans.

    4.8   STATUS.  The Borrower is a corporation duly organized and 
validly existing under the laws of the State of Delaware and is properly 
licensed and is qualified to do business and in good standing in, and, where 
necessary to maintain the Borrower's rights and privileges, has complied in 
all material respects with the fictitious name statute of, every jurisdiction 
in which the Borrower is doing business.

    4.9  FINANCIAL STATEMENTS.  All financial statements, financial 
information and other financial data which has been submitted by the 
Borrower to the Bank are and have been prepared in accordance with GAAP 
consistently applied and fairly present in all material respects, as of the 
date of such statements, information or data, the financial condition or, as 
applicable, the other information disclosed therein.  Since the most recent 
submission of such financial information or data to the Bank, the Borrower 
represents and warrants that no material adverse change in the Borrower's 
financial condition or operations has occurred which has not been fully 
disclosed to the Bank in writing.

    4.10  TITLE TO ASSETS.  The Borrower has good and marketable title to all 
of its assets, none of which are subject to any security interest, 
encumbrance, lien or claim of any third person except for Permitted Liens.

    4.11  ERISA.  If the Borrower has a pension, profit sharing or retirement 
plan subject to ERISA, such plan has been funded in accordance with its terms 
and otherwise complies with the requirements of ERISA, except as disclosed in 
writing to the Bank prior to the date of this Agreement.

                                     19
<PAGE>

    4.12  TAXES.  The Borrower has filed all tax returns required to be filed 
and paid all taxes shown thereon to be due, including interest and penalties, 
other than such taxes which are currently payable without penalty or interest 
or those which are being duly contested in good faith.

    4.13  MARGIN STOCK.  The proceeds of the Loan will not be used to 
purchase or carry "margin stock" as that term is defined in Regulations U or 
X promulgated by the Board of Governors of the Federal Reserve System.

    4.14  ENVIRONMENTAL COMPLIANCE.  The Borrower has implemented and 
complied in all material respects with all applicable Environmental Laws.  
Except as disclosed to the Bank in writing, there are no suits, proceedings, 
claims or disputes pending or, to the knowledge of the Borrower, threatened 
against or affecting the Borrower or its property claiming violations of any 
Environmental Laws.

                                ARTICLE V
                                COVENANTS


    The Borrower covenants and agrees that during the Term the Borrower 
shall, unless the Bank shall otherwise consent in writing:

    5.1   PRESERVATION OF EXISTENCE: COMPLIANCE WITH APPLICABLE LAWS.  
Maintain and preserve its existence and all rights and privileges now 
enjoyed; not liquidate or dissolve, or merge or consolidate with or into any 
other business organization, provided that Borrower may acquire any other 
businesses for up to $100,000,000 in the aggregate; and conduct its business 
and operations in accordance with all applicable laws, rules and regulations.

    5.2   MAINTENANCE OF INSURANCE.  Maintain insurance in such amounts and 
covering such risks as is usually prudently carried by companies engaged in 
similar businesses and owning similar properties in the same general areas in 
which the Borrower operates.

    5.3   MAINTENANCE OF PROPERTIES.  Maintain and preserve all of its 
properties in good working order and condition in accordance with the general 
practice of other businesses of similar character and size, ordinary wear and 
tear excepted.

    5.4   PAYMENT OF OBLIGATIONS AND TAXES.  Make timely payment of all 
assessments and taxes and all of its liabilities and obligations unless the 
same are being contested in good faith by appropriate proceedings with the 
appropriate court or regulatory agency, provided that Borrower may make 
payment of trade payables in accordance with its customary business practices.

    5.5   INSPECTION RIGHTS.  At any reasonable time and from time to time, 
permit the Bank or any representative thereof to examine and make copies of 
the records and visit the properties of the Borrower and discuss the business 
and operations of the Borrower with any


                                     20
<PAGE>

designated representative thereof. If the Borrower shall maintain records 
(including, but not limited to, computer-generated records or computer 
programs for the generation of such records) in the possession of a third 
party, the Borrower hereby agrees to notify such third party to permit the 
Bank free access to such records at all reasonable times and to provide the 
Bank with copies of any records which it may reasonably request, all at the 
Borrower's expense, the amount of which shall be payable within 30 days 
following demand.

     5.6  REPORTING AND CERTIFICATION REQUIREMENTS. Deliver or cause to be 
delivered to the Bank, in form and detail satisfactory to the Bank:

              (i) Not later than 120 days after the end of each of the 
     Borrower's fiscal years, a copy of the annual audited financial report 
     and Securities and Exchange Commission Form 10-K of the Borrower for 
     such year, all certified to as having been prepared in accordance with 
     GAAP consistently applied by a firm of certified public accountants 
     acceptable to the Bank, together with the consolidating balance sheets 
     and income statements for the Borrower and its Subsidiaries for such year;

             (ii) Not later than 60 days after the end of each fiscal quarter, 
     the Borrower's Securities and Exchange Commission Form 10-Q, together 
     with the consolidating balance sheets and income statements for the 
     Borrower and its Subsidiaries, each as of the end of such period;

            (iii) Not later than 60 days after the end of each fiscal quarter, 
     a certificate of the chief financial officer of the Borrower 
     demonstrating compliance as of the end of such period with each financial 
     covenant set forth herein, all in form satisfactory to the Bank; and

             (iv) Promptly upon the Bank's request, such other information 
     pertaining to the Borrower as the Bank may reasonably request.

     5.7  PAYMENT OF DIVIDENDS. Not declare or pay any dividends to any class 
of stock now or hereafter outstanding except dividends payable solely in the 
Borrower's capital stock.

     5.8  REDEMPTION OR REPURCHASE OF STOCK. Not redeem or repurchase any 
class of the Borrower's stock now or hereafter outstanding, provided that the 
Borrower may redeem or repurchase any class of the Borrower's stock in an 
amount not to exceed $1,000,000 in any one fiscal year.

     5.9  ADDITIONAL INDEBTEDNESS. Not create, incur or assume, after the 
date hereof, directly or indirectly, any additional Indebtedness or any 
commitment therefor other than (i) Indebtedness owed or to be owed to the 
Bank, (ii) Indebtedness to trade creditors incurred in the ordinary course of 
the Borrower's business, (iii) any Indebtedness for Capital Expenditures in 
the aggregate greater than US$75,000,000 in any one fiscal year, (iv)


                                      21
<PAGE>

Indebtedness owed to other financial institutions under revolving lines of 
credit or (v) Indebtedness of up to US$75,000,000 in connection with any 
acquisitions.

     5.10. LOANS. Not make any loans or advances or extend credit to any 
third person, including but not limited to directors, officers, shareholders, 
employees, affiliated entities and Subsidiaries of the Borrower, except for 
credit extended in the ordinary course of the Borrower's business as 
presently conducted, provided that the Borrower may make loans or advances or 
extend credit to employees of the Borrower in an aggregate amount not to 
exceed US$1,000,000 in any one fiscal year and provided further, that the 
Borrower may make loans or advances or extend credit to affiliated entities 
or Subsidiaries of the Borrower in an amount not to exceed US$15,000,000 in 
the aggregate.

     5.11. LIENS AND ENCUMBRANCES. Not create, assume or permit to exist any 
security interest, encumbrance, mortgage, deed of trust or other lien 
(including but not limited to a lien of attachment, judgment or execution) 
affecting any of the Borrower's properties, or execute or allow to be filed 
any financing statements for continuation thereof affecting any of such 
properties, except for (i) Permitted Liens or as otherwise provided in this 
Agreement, and (ii) purchase money security interests or capital leases of up 
to US$75,000,000 for equipment, including mortgage financing for the 
Borrower's Temecula, California property, in any one fiscal year.

     5.12. TRANSFER OF ASSETS. Not sell, contract for sale, convey, transfer, 
assign, lease or sublet after the date hereof any of its assets except in the 
ordinary course of business as presently conducted by the Borrower, which 
ordinary course of business includes but is not limited to sale-leasebacks of 
equipment, and then only at then-prevailing market rates for such assets.

     5.13. CHANGE IN NATURE OF BUSINESS. Not make any material change in the 
fundamental nature of its business existing or conducted as of the date 
hereof.

     5.14. FINANCIAL CONDITION. Maintain at all times:

               (i) A minimum consolidated Effective Tangible Net Worth of at 
     least US$175,000,000, plus, in each case, 50% of annual net income, the 
     proceeds of any equity issuance, conversion of debt into equity and any 
     grant of rights to subscribe for shares of the Borrower, commencing with 
     the fiscal year-end June 30, 1994;

              (ii) A ratio of consolidated Debt to consolidated Effective 
     Tangible Net Worth of not more than 1 to 1 for the six-month period 
     ending December 31, 1997, 0.95 to 1 for the six-month period ending 
     June 30, 1998 and 0.90 to 1 thereafter;


                                      22
<PAGE>

               (iii) A ratio of consolidated current assets to consolidated 
     current liabilities of not less than 1.75 to 1 (for the purposes hereof, 
     outstanding amounts under any revolving lines of credit to be included 
     in consolidated current liabilities); and

               (iv)  A ratio of the sum of net income, plus depreciation 
     expense, plus amortization expense, plus net interest expense, each for 
     the immediately preceding four fiscal quarters, to the sum of the 
     current portion of long-term Debt then due for the fourth immediately 
     preceding fiscal quarter, plus net interest expense for the immediately 
     preceding four fiscal quarters, of not less than 2 to 1, provided that, 
     for purposes of this covenant, the definition of net income pursuant to 
     GAAP shall be modified to exclude a one-time charge of up to 
     US$60,000,000 for non-cash restructuring and asset impairment charges 
     taken by the Borrower in its fiscal year ended June 30, 1997.

     5.15  NOTICE. Give the Bank prompt written notice of any and all (i) 
Events of Default; (ii) litigation, arbitration or administration proceedings 
to which the Borrower or any of its Subsidiaries is a party and in which the 
claim or liability exceeds $1,000,00, and (iii) other matters, other than 
matters of a general economic nature (other than those matters relating 
primarily to the Borrower or any of its Subsidiaries, or the industries in 
which the Borrower or any of its Subsidiaries conducts its respective 
business) which have resulted in, or could reasonably be expected to result 
in, a Material Adverse Effect.

     5.16 CONSOLIDATED OPERATING LOSS. Not incur for any two consecutive 
fiscal quarters a cumulative Consolidated Operating Loss in excess of 
US$10,000,000, provided that, for purposes of this covenant, the definition of 
"Consolidated Operating Loss" pursuant to GAAP shall be modified to exclude a 
one-time charge of up to US$80,000,000 for restructuring and asset impairment 
charges taken by the Borrower in its fiscal year ended June 30, 1997, which 
charges include associated inventory write-downs of up to US$5,000,000.

     5.17 ENVIRONMENTAL COMPLIANCE. The Borrower and each of its Subsidiaries 
shall:

          (i)   Implement and comply in all material respects with all 
     applicable Environmental Laws;

          (ii)  Own, use, generate, manufacture, store, handle, treat, 
     release or dispose of any hazardous or toxic wastes, substances or 
     related materials, only if such ownership or use would not result in a 
     Material Adverse Effect;

          (iii) Give prompt written notice of any discovery of or suit, 
     proceeding, claim, dispute, threat, inquiry or filing respecting 
     hazardous or toxic wastes, substances or related materials; and


                                       23
<PAGE>

               (iv)  At all times indemnify and hold harmless the Bank from 
     and against any and all liability arising out of the use, generation, 
     manufacture, storage, handling, treatment, disposal or presence of 
     hazardous or toxic wastes, substances or related materials, other than 
     liability arising out of the Bank's gross negligence or willful 
     misconduct.

     5.18  PARI PASSU TREATMENT. At all times maintain its Obligations 
hereunder to the Bank as pari passu to any other unsecured indebtedness with 
respect to any of its domestic loans.

     5.19  ERISA. Allow an event or condition to occur or exist which results 
in Borrower's or any of its Subsidiaries' incurring or becoming reasonably 
likely in incur liability under ERISA and such liability would have a 
Material Adverse Effect.

                                   ARTICLE VI
                                    DEFAULT

     6.1  EVENTS OF DEFAULT. The occurrence of any one or more of the 
following events shall constitute an Event of Default hereunder, without 
regard to any fault of or cause by the Borrower:

               (i)   any representative or warranty made herein or hereafter 
     by or on behalf of the Borrower to the Bank proves to be false or 
     misleading in any material respect; or

               (ii)  any report, financial statement, instrument or 
     information furnished by or on behalf of the Borrower to the Bank upon 
     which the Bank has relied in making the Commitment in connection with 
     this Agreement or any Advance proves to be false or misleading in any 
     material respect; or

               (iii) any failure of the Borrower to pay or perform all of its 
     Obligations, or any portion thereof, when the same become due and payable 
     and, with respect to any such failure other than a failure to pay any 
     sum due hereunder, the passage of thirty (30) days thereafter without 
     cure; or

               (iv)  the occurrence of any default under any credit 
     arrangement that it may have with any provider of credit other than the 
     Bank, which default allows such other credit provider to accelerate its 
     debt or otherwise exercise its remedies, and the passage of all 
     applicable cure periods therefor without cure; or

               (v)   a petition is filed against the Borrower in an 
     involuntary case under the federal bankruptcy laws, as now or hereafter 
     constituted, or any other applicable federal or state bankruptcy, 
     insolvency or other similar law, or a receiver, liquidator, assignee, 
     custodian, trustee, sequestrator (or similar official) shall be


                                       24
<PAGE>

     appointed for the Borrower,or for any substantial part of the Borrower's 
     properties, or the winding-up or liquidation of the Borrower's affairs 
     shall be ordered, and any such petition, decree or order shall continue 
     unstayed and in effect for a period of thirty (30) consecutive days; or

               (vi)    the Borrower shall commence a voluntary case under the 
     federal bankruptcy laws, as now or hereafter constituted, or any other 
     applicable federal or state bankruptcy, insolvency or other similar law, 
     or any of them shall consent to the appointment or taking possession by 
     a receiver, liquidator, assignee, trustee, custodian, sequestrator (or 
     other similar official) of the Borrower or of any substantial part of 
     any of its properties, or it shall make any assignment for the benefit 
     of creditors, or fail generally to pay its debts as such debts become 
     due, or take any corporate action in furtherance of any of the 
     foregoing; or

                (vii)   any writ of execution or attachment or any judgment 
     lien which individually exceeds US$2,000,000 or which, in the aggregate, 
     exceeds US$5,000,000, shall be issued against any property of the 
     Borrower and shall not be discharged or bonded against or released 
     within 60 days after the issuance or attachment of such writ or lien; or

                (viii)  the Borrower shall voluntarily suspend the 
     transaction of business or allow to be suspended, terminated, revoked or 
     expired any permit, license or approval of any governmental body 
     materially necessary to conduct the Borrower's business as now 
     conducted; or

                (ix)    there shall occur a sale, transfer, disposition or 
     encumbrance (whether voluntary or involuntary), or an agreement shall be 
     entered into to do so with, any Person or group of Persons (as such 
     terms are defined pursuant to federal securities laws) with respect to 
     more than 20% of the issued and outstanding capital stock of the 
     Borrower and, as a result thereof, such Person or group of Persons has 
     the ability to direct or cause the direction of the management and 
     policies of the Borrower.

    6.2  REMEDIES.  Upon the occurrence of an Event of Default, the Bank may, 
without notice to the Borrower, terminate forthwith the obligations of the 
Bank to make any further Advances to the Borrower hereunder and, in the case 
of an Event of Default other than as specified in clauses (v) or (vi) of 
Section 6.1, declare all sums owed hereunder to the Bank to be forthwith due 
and payable, or in the case of an Event of Default as specified in either of 
said clauses (v) or (vi) all sums owed hereunder to the Bank shall 
automatically become due and payable, whereupon all sums owed hereunder to 
the Bank shall in either case become forthwith due and payable, both as to 
principal and interest, without presentment, demand, protest or other notice 
of any kind, all of which are hereby expressly waived, anything contained 
herein or in the Note to the contrary notwithstanding. The foregoing shall in 
no way be construed to limit the Bank's rights at law or in equity or 


                                      25
<PAGE>

otherwise to avail itself of any and all remedies to which it may have 
recourse as a secured party under applicable law.


                                 ARTICLE VII
                             GENERAL PROVISIONS


    7.1  CONSTRUCTION.  The provisions of this Agreement shall be in addition 
to those of any guaranty, pledge or security agreement, note or other 
evidence of liability held by the Bank, all of which shall be construed as 
complementary to each other. Nothing herein contained shall prevent the Bank 
from enforcing any or all other notes, guaranties, pledges or security 
agreements in accordance with their respective terms. In the event that 
there is a conflict between the terms of this Agreement and the terms of the 
Note or any other Loan Document, there terms of this Agreement shall control.

    7.2  FURTHER ASSURANCES.  From time to time, the Borrower shall execute 
and deliver to the Bank such additional documents and provide such additional 
information as the Bank may reasonably require to carry out the terms of this 
Agreement and be informed of the Borrower's status and affairs.

    7.3  ENFORCEMENT AND WAIVER BY THE BANK.  The Bank shall have the right at 
all times to enforce the provisions of this Agreement, the Note and the other 
Loan Documents in strict accordance with the terms hereof and thereof, 
notwithstanding and conduct or custom on the part of the Bank in refraining 
from so doing at any time or times. The failure of the Bank at any time or 
times to enforce its rights under such provisions, strictly in accordance 
with the same, shall not be construed as having created a custom in any way 
or manner contrary to the specific provisions of this Agreement or as having 
in any way or manner modified or waived the same.  All rights and remedies of 
the Bank are cumulative and concurrent and the exercise of one right or 
remedy shall not be deemed a waiver or release of any other right or remedy.

    7.4  EXPENSES; INDEMNITY.

         a.  EXPENSES. The Borrower agrees that it shall pay all reasonable 
     out-of-pocket expenses (including attorneys' fees and expenses) incurred 
     by the Bank in connection with (i) the preparation of this Agreement 
     (whether or not the transactions hereby contemplated shall be 
     consummated) up to the sum of $2,000, (ii) the making of the Loan and 
     the enforcement of the rights of the Bank in connection with this 
     Agreement, (iii) any action which may be instituted by any person 
     against the Bank with respect to this Agreement or as a result of any 
     transaction, action or non-action arising from this Agreement, and (iv) 
     the preparation of any amendments to or waivers of this Agreement. The 
     Borrower agrees that it shall indemnify the Bank from and hold the Bank 
     harmless against any and all documentary taxes, assessments or similar 
     charges made by any governmental authority by reason of the execution 
     and delivery of this Agreement.


                                      26
<PAGE>

           b.  INDEMNIFICATION.  The Borrower hereby agrees to indemnify the 
    Bank and its directors, officers, employees and agents (each such person, 
    an "Indemnitee") against, and to hold each Indemnitee harmless from, any 
    and all losses, claims, damages, liabilities and related expenses, 
    including reasonable attorneys' fees and expenses, incurred by or 
    asserted against such Indemnitee arising out of, in any way in connection 
    with, or as a result of: (i) this Agreement or any of the other Loan 
    Documents, the performance by the parties hereto and thereto of their 
    respective obligations hereunder and thereunder and consummation of the 
    transactions contemplated hereby and thereby; or (ii) any claim, 
    litigation, investigation or proceeding relating to any of the foregoing, 
    whether or not such indemnitee is a party thereto; provided, however, 
    that such indemnification shall not, as to any Indemnitee, apply to any 
    such losses, claims, damages, liabilities or related expenses arising 
    from the gross negligence or willful misconduct of such Indemnitee.

           c.  SURVIVAL.  Without in an manner compromising the survivability 
    of any other provision of this Agreement, the provisions of this Section 
    7.4 shall remain operative and in full force and effect regardless of the 
    expiration of the Term, the consummation of the transactions contemplated 
    hereby, the repayment of the Loan, the invalidity or unenforceability of 
    any term or provision of this Agreement, or any investigation made by or 
    on behalf of the Bank. All amounts due under this Section 7.4 shall be 
    payable upon written demand.

    7.5    NOTICES.  Any notices or consents required or permitted by this 
Agreement shall be in writing and shall be deemed duly given if delivered in 
person or by courier, or if sent by facsimile transmission or certified mail, 
postage prepaid and return receipt requested, addressed as follows, unless 
such address is changed by written notice hereunder:

           If to the Borrower:

           International Rectifier Corporation
           233 Kansas Street
           El Segundo, California 90245
           Attention:  Treasury Department
           Telecopier No.: (310) 726-8439


                                        27
<PAGE>

           If to the Bank:

           The Dai-Ichi Kangyo Bank, Ltd.
            Los Angeles Agency
           555 West Fifth Street, 5th Floor
           Los Angeles, California 90013
           Attention:   Mr. John Merhaut
                        Vice President
           Telecopier No.: (213) 624-5258

All such notices shall be deemed to be received by the party to be noticed 
upon the earlier of (i) actual receipt or (ii) delivery at the specified 
address.

    7.6    WAIVER AND RELEASE BY THE BORROWER.  To the maximum extent 
permitted by applicable law, the Borrower: (i) waives notice and opportunity 
to be heard, after acceleration in the manner provided in Section 6.2 hereof, 
before exercise by the Bank of the remedies of self-help, setoff or of other 
summary procedures permitted by any applicable law or by any agreement with 
the Borrower, and except where required hereby or by any applicable law, 
notice of any other action taken by the Bank; and (ii) releases the Bank and 
its officers, attorneys, agents and employees from all claims for loss or 
damage caused by any act or omission on the part of any of them except as a 
result of their own willful misconduct or gross negligence.

    7.7    CHOICE OF LAW AND VENUE.  This Agreement and the other Loan 
Documents have been entered into, and shall be interpreted in accordance 
with, the laws of the State of California, and any dispute arising hereunder 
shall be heard by a court of competent jurisdiction sitting in the County of 
Los Angeles, California.

    7.8    BINDING EFFECT AND ASSIGNMENT.  This Agreement shall be for the 
benefit of, and shall be binding upon, the respective successors and 
permitted assigns of the parties hereto. The Borrower has no right to assign 
any of its rights or delegate any of its obligations hereunder without the 
prior written consent of the Bank, but the Bank may assign or otherwise 
convey its rights and delegate its obligations hereunder without the consent 
of the Borrower in amounts of US$5,000,000 or greater (i) to any Federal 
Reserve Bank as collateral, (ii) to not more than one bank or one syndicate 
of banks or (iii) to any assignee that is not directly or indirectly in the 
semiconductor industry. The Borrower agrees that, in connection with any such 
assignment or other conveyance, the Bank may deliver to any prospective 
assignee all relevant information relating to the Borrower so long as such 
prospective assignee agrees in writing to keep such information confidential 
pursuant to Section 7.16 hereof.

    7.9    ENTIRE AGREEMENT.  This Agreement, and the documents executed and 
delivered pursuant hereto, constitutes the entire agreement between the 
parties. This Agreement may be amended only by a writing signed on behalf of 
each party.

                                       28
<PAGE>

     7.10  SEVERABILITY. If any provision of this Agreement shall be held 
invalid under any applicable laws, such invalidity shall not affect any other 
provision of this Agreement that can be given effect without the invalid 
provision and, to this end, the provisions hereof are severable.


     7.11  ATTORNEY'S FEES AND COSTS. In the event of a dispute hereunder, the 
prevailing party (as determined by the court) shall be awarded, in addition 
to any judgement, all attorney's fees and costs incurred by it in connection 
with such dispute.


     7.12  HEADINGS. The headings contained in this Agreement are for 
convenience of reference only and shall not affect the construction or 
interpretation hereof.


     7.13  WAIVER OF JURY TRAIL.  EACH OF THE PARTIES HEREBY WAIVES, TO THE 
FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT WHICH IT MIGHT HAVE TO 
A TRIAL BY JURY WITH RESPECT TO ANY LITIGATION DIRECTLY OR INDIRECTLY ARISING 
OUT OF, UNDER OR IN CONNECTION WITH THIS AGREEMENT OR ANY OTHER LOAN 
DOCUMENT. THE BORROWER CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF 
THE BANK HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT THE BANK WOULD NOT, 
IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER, AND THE 
BORROWER ACKNOWLEDGES THAT THE FOREGOING WAIVER HAS BEEN MADE AS A MATERIAL 
INDUCEMENT TO THE BANK TO MAKE THE LOAN.


     7.14  RIGHT OF SETOFF. Upon the occurrence and during the continuation of 
any Event of Default, the Bank is hereby authorized, in addition to any other 
right or remedy that it may have by operation of law or otherwise, at any 
time and from time to time and without notice to the Borrower (any such 
notice being expressly waived by the Borrower), to exercise its bankers' lien 
and right of setoff and apply any and all deposits (general or special, time 
or demand, provisional or final) at any time held and other indebtedness at 
any time owing by the Bank to or for the credit or the account of the 
Borrower against any and all of the Obligations now or hereafter existing 
under this Agreement, irrespective of whether or not the Bank shall have made 
any demand under this Agreement and although such Obligations may not have 
matured.


     7.15  SURVIVAL. All representations, warranties, agreements and covenants 
made herein and in the certificates, instruments and documents delivered 
pursuant hereto shall survive the making by the Bank of Advances and the 
execution and delivery to the Bank of the Note and shall continue in full 
force and effect until all Obligations are satisfied in full.

     7.16  CONFIDENTIALITY. In accordance with its customary practices, the 
Bank shall keep all information that is provided by the Borrower to the Bank 
pursuant to the terms of this Agreement confidential, but the Borrower 
acknowledges that the Bank may deliver copies of any financial statements and 
other documents delivered to the Bank, and disclose


                                       29
<PAGE>

any other information disclosed to the Bank, by or on behalf of the Borrower 
or any subsidiary thereof in connection with or pursuant to this Agreement, 
to: (i) the Bank's directors, officers, employees, agents and professional 
consultants, provided that such disclosure is made in confidence to such 
persons; (ii) any federal or state regulatory authority having jurisdiction 
over the Bank; and (iii) any other person to whom such delivery or disclosure 
is necessary (A) to comply with any law, rule, regulation or order applicable 
to the Bank, (B) to respond to any subpoena or other legal process, (C) in 
connection with any litigation to which the Bank is a party, or (D) in order 
to protect the Bank's investment in the Note; provided, however, that as to 
any disclosure under subclauses (B) and (C) of the foregoing clause (iii) the 
Bank shall notify the Borrower prior to making such disclosure and shall 
cooperate with the Borrower, at the Borrower's sole cost and expense, should 
the Borrower contest the right of the recipient of such disclosure to receive 
or demand such information.

     7.17  CONDITIONS NOT FULFILLED. If the Commitment is not drawn upon 
owing to nonfulfillment of any condition precedent specified in Article III 
hereof, neither party hereto shall be responsible to the other for any damage 
or loss by reason thereof, except that the Borrower shall in any event be 
liable to pay the fees, Taxes, Other Taxes and expenses for which it is 
obligated hereunder. 


     7.18  COUNTERPARTS. This Agreement may be executed in any number of 
counterparts, each of which shall be deemed to be an original, but all of 
which together shall constitute but one and the same instrument.


     7.19  IMMATERIALITY. Notwithstanding anything herein to the contrary, 
any breach of representations and warranties contained in Article IV hereof 
or the covenants in Sections 5.1, 5.3, 5.4, 5.11, 5.12 or 5.17 shall not be 
deemed to be an Event of Default or prohibit any extension of credit 
hereunder if, in the aggregate, such defaults could not reasonably be 
expected to have a Material Adverse Effect.


     IN WITNESS WHEREOF, each of the parties hereto has caused its duly 
authorized representative to execute this Agreement on its behalf as of the 
day and year first above written.


THE BANK                                  THE BORROWER
- --------                                  -------------

THE DAI-ICHI KANGYO BANK, LTD.,           INTERNATIONAL RECTIFIER
Los Angeles Agency                        CORPORATION, a Delaware corporation



By:  /s/ Masatsugu Morishita               By:  /s/ Michael P. McGee
- ----------------------------               -------------------------------

      SR. VICE PRESIDENT &
Its  JOINT GENERAL MANAGER                 Its  VICE PRESIDENT & CFO    
- ----------------------------               -------------------------------


                                               30
<PAGE>

                                  EXHIBIT A

                  NAMES OF BORROWER'S AUTHORIZED INDIVIDUALS



1.  _________________________

2.  _________________________

3.  _________________________

4.  _________________________

5.  _________________________

6.  _________________________



<PAGE>


                                     EXHIBIT B

                              FORM OF ADVANCE REQUEST


The Dai-Ichi Kangyo Bank, Ltd.
 Los Angeles Agency
555 West Fifth, 5th Floor
Los Angeles, California 90013
Attention:    Mr. John Merhaut
              Vice President

Dear Sirs:

     The undersigned (the "Borrower") refers to that certain Credit Agreement 
dated as of September 26, 1997 (as amended, modified or supplemented, the 
"Credit Agreement") by and between the Borrower and yourselves (the "Bank"). 
Capitalized terms used but not defined in this letter shall have the meanings 
specified in the Credit Agreement. The Borrower hereby gives the Bank notice 
pursuant to Section 2.4 of the Credit Agreement that it requests an Advance, 
and in connection therewith sets forth below the terms on which the Advance 
is requested to be made:

     (i)     Date of Advance                                       _________

     (ii)    Principal Amount of Advance(1)                        _________

     (iii)   Interest Rate                                         _________

     (iv)    Interest Period and Last Day Thereof(2)               _________

                               Very truly yours,

                               THE BORROWER:

                               INTERNATIONAL RECTIFIER CORPORATION,
                               a Delaware corporation

                               By:        EXHIBIT ONLY
                                    ---------------------------

                               Its      NOT FOR EXECUTION
                                    ---------------------------



- -----------------------
    (1) Not less than US$500,000.00 and in integral multiples thereof

    (2) Which shall end not later than the applicable Commitment Termination
        Date


<PAGE>

                                   EXHIBIT C

                                    FORM OF
                         REVOLVING CREDIT AND TERM NOTE


US$10,000,000.00                                           September 26, 1997


     FOR VALUE RECEIVED, the undersigned, International Rectifier 
Corporation, a Delaware corporation (the ""Borrower"), unconditionally 
promises to pay to the order of The Dai-Ichi Kangyo Bank, Ltd. (the "Bank"), 
in lawful money of the United States of America at its office located at 555 
West Fifth Street, Los Angeles, California 90013, or to such other entity or 
at such other address as the Bank may from time to time direct, the lesser of 
(i) the principal sum of Ten Million and No/100 U.S. Dollars 
(US$10,000,000.00) or (ii) the aggregate unpaid principal amount of 
all Advances made pursuant to that certain Credit Agreement dated as of 
September 26, 1997 by and between the Borrower and the Bank (the "Credit 
Agreement"), and to pay interest (before, as well as after, judgment) in 
arrears, from the date hereof in like money at said office on the unpaid 
principal amount hereof from time to time outstanding, as more fully provided 
for in the Credit Agreement.

     Interest which is not paid when due shall thereafter bear interest like 
as to principal.

     The Bank is hereby authorized by the Borrower to endorse on the schedule 
forming a part hereof appropriate notations evidencing the date and amount of 
each Advance made by the Bank, the nature of such Advance and the date and 
amount of each payment of principal and interest made by the Borrower with 
respect thereto.

     Presentment, notice of dishonor and protest are hereby waived by all 
makers, sureties, guarantors and endorsers hereof. The Borrower hereby 
expressly waives, to the full extent permitted by law, its rights to plead 
any and all statutes of limitations as a defense to any demand hereunder.

     This Note is the Revolving Credit and Term Note referred to in the 
Credit Agreement. Reference is hereby made to the Credit Agreement for 
provisions for the payment and prepayment hereof and for the acceleration of 
the maturity hereof upon the occurrence of certain events as therein 
specified. Terms defined in said Credit Agreement and not otherwise defined 
herein are used herein as therein defined.


<PAGE>

     This Note is made and shall be governed and construed in accordance with 
the laws of the State of California.

                                      THE BORROWER:

                                      INTERNATIONAL RECTIFIER CORPORATION,
                                      a Delaware corporation


                                      By:       EXHIBIT ONLY
                                         -------------------------------
                                      Its     NOT FOR EXECUTION
                                         -------------------------------


<PAGE>

                     BORROWINGS AND PAYMENTS OF PRINCIPAL



- -------------------------------------------------------------------------------
             Principal or                Date of      Amount of
  Date of    Face Amount    Interest    Repayment/    Repayment/    Notation
  Advance    of Advance       Rate      Prepayment    Prepayment    Made By
- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


<PAGE>

                                   EXHIBIT D

                       FORM OF NOTICE OF INTEREST PERIOD

The Dai-Ichi Kangyo Bank, Ltd.
 Los Angeles Agency Bank
555 West Fifth, 5th Floor
Los Angeles, California  90013
Attention:    Mr. John Merhaut
              Vice President

Dear Sirs:

     The undersigned (the "Borrower") refers to that certain Credit Agreement 
dated as of September 26, 1997 (as amended, modified or supplemented, the 
"Credit Agreement") by and between the Borrower and yourselves (the "Bank"). 
Capitalized terms used but not defined in this letter shall have the meanings 
specified in the Credit Agreement. The Borrower hereby gives the Bank notice 
pursuant to Section 2.7 of the Credit Agreement that it requests a 
continuation or conversion with respect to the upcoming Interest Period as 
follows:

     (i)  As to All Outstanding Advances
                                                                           (1)
                                                                  ---------
    (ii)  As to Outstanding Advances in the 
          Principal Amount of ________________(2)
                                                                           (1)
                                                                  ---------
   (iii)  As to the Term Loan
                                                                           (1)
                                                                  ---------
                                       Very truly yours,

                                       THE BORROWER:

                                       INTERNATIONAL RECTIFIER CORPORATION,
                                       a Delaware corporation

                                       By:             EXHIBIT
                                          -------------------------------------
                                       Its:        NOT FOR EXECUTION
                                          -------------------------------------

- -------------------
   (1) Must be one (1), two (2) or three (3) months, or such other period 
       upon which the Bank and the Borrower may from time to time agree

   (2) Not less than US$500,000.00 and in integral multiples thereof


<PAGE>

                        REVOLVING CREDIT AND TERM NOTE

US$10,000,000.00                                            September 26, 1997


    FOR VALUE RECEIVED, the undersigned, International Rectifier Corporation, 
a Delaware corporation (the "Borrower"), unconditionally promises to pay to 
the order of The Dai-Ichi Kangyo Bank, Ltd. (the "Bank"), in lawful money of 
the United States of America at its office located at 555 West Fifth Street, 
Los Angeles, California 90013, or to such other entity or at such other 
address as the Bank may from time to time direct, the lesser of (i) the 
principal sum of Ten Million and No/100 U.S. Dollars (US$10,000,000.00) or 
(ii) the aggregate unpaid principal amount of all Advances made pursuant to 
that certain Credit Agreement dated as of September 26, 1997 by and between 
the Borrower and the Bank (the "Credit Agreement"), and to pay interest 
(before, as well as after, judgment) in arrears, from the date hereof in 
like money at said office on the unpaid principal amount hereof from time to 
time outstanding, as more fully provided for in the Credit Agreement.

    Interest which is not paid when due shall thereafter bear interest like 
as to principal.

    The Bank is hereby authorized by the Borrower to endorse on the schedule 
forming a part hereof appropriate notations evidencing the date and amount of 
each Advance made by the Bank, the nature of such Advance and the date and 
amount of each payment of principal and interest made by the Borrower with 
respect thereto.

    Presentment, notice of dishonor and protest are hereby waived by all 
makers, sureties, guarantors and endorsers hereof. The Borrower hereby 
expressly waives, to the full extent permitted by law, its rights to plead 
any and all statutes of limitations as a defense to any demand hereunder.

    This Note is the Revolving Credit and Term Note referred to in the Credit 
Agreement. Reference is hereby made to the Credit Agreement for provisions 
for the payment and prepayment hereof and for the acceleration of the 
maturity hereof upon the occurrence of certain events as therein specified. 
Terms defined in said Credit Agreement and not otherwise defined herein are 
used herein as therein defined.

<PAGE>

    This Note is made and shall be governed and construed in accordance with 
the laws of the State of California.

                                       THE BORROWER:

                                       INTERNATIONAL RECTIFIER CORPORATION,
                                       a Delaware corporation


                                       By:   /s/ Michael P. McGee
                                          -------------------------------------

                                       Its  VICE PRESIDENT & CFO
                                          -------------------------------------

<PAGE>

                      BORROWINGS AND PAYMENTS OF PRINCIPAL





- -------------------------------------------------------------------------------
             Principal or                Date of      Amount of
  Date of    Face Amount    Interest    Repayment/    Repayment/    Notation
  Advance    of Advance       Rate      Prepayment    Prepayment    Made By
- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


- -------------------------------------------------------------------------------


<PAGE>

                                      EXHIBIT F

                                     PROCEEDINGS


The following are actions, suits or proceedings to the knowledge of the 
Borrower pending or threatened against the Borrower, or its respective 
properties, before any court, arbitrator, commission, board, agency or other 
authority which, if determined adversely to the Borrower, could result in a 
Material Adverse Effect. For more information, please refer to Borrower's 
report on Form 10-K filed with the Securities and Exchange Commission for 
fiscal year ended June 30, 1997.

- -  Borrower and certain of its directors and officers have been named as
   defendants in three class action lawsuits filed in Federal District Court
   in California. The complaints generally allege that the Borrower and the
   other defendants made materially false statements or omitted to state
   material facts in connection with the public offering of the Company's
   common stock completed in April 1991 and the redemption and conversion
   in June 1991 of the Borrower's 9% Convertible Subordinated Debentures
   due 2010. The complaints also allege that the Borrower's projections for
   growth in fiscal 1992 were materially misleading.

- -  United States Patent and Trademark Office Reexamination Proceedings of
   Borrower's United States patent numbers: 4,642,666; 4,959,699; 5,008,725;
   5,130,767; and 4,593,302.

- -  Borrower and Rachelle Laboratories, Inc. (Borrower's former pharmaceutical
   subsidiary which discontinued operations in 1986) have been named among
   several hundred entities as potential responsible parties under the 
   provisions of the Comprehensive Environmental Response, Compensation and
   Liability Act of 1980 (CERCLA), in connection with the United States
   Environmental Protection Agency's investigation of the disposal of 
   allegedly hazardous substances at a major superfund site in Monterey Park,
   California.

- -  Borrower has been notified by the State of California Department of Toxic
   Substances Control stating that the Borrower may be a potentially 
   responsible party for the deposit of hazardous substances at a facility in
   Whittier, California.




<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          31,546
<SECURITIES>                                    18,000
<RECEIVABLES>                                  130,148
<ALLOWANCES>                                     1,072
<INVENTORY>                                    116,988
<CURRENT-ASSETS>                               313,791
<PP&E>                                         494,651
<DEPRECIATION>                                 152,318
<TOTAL-ASSETS>                                 686,176
<CURRENT-LIABILITIES>                          121,017
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        51,177
<OTHER-SE>                                     336,199
<TOTAL-LIABILITY-AND-EQUITY>                   686,176
<SALES>                                        133,111
<TOTAL-REVENUES>                               133,111
<CGS>                                           88,160
<TOTAL-COSTS>                                   88,160
<OTHER-EXPENSES>                                34,079
<LOSS-PROVISION>                                    46
<INTEREST-EXPENSE>                               1,627
<INCOME-PRETAX>                                  9,097
<INCOME-TAX>                                     3,002
<INCOME-CONTINUING>                              6,095
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,095
<EPS-PRIMARY>                                     0.12
<EPS-DILUTED>                                     0.12
        

</TABLE>


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