<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
(Amendment No. )*
------
International Rectifier Corporation
-----------------------------------
(Name of Issuer)
Common
----------------------------------
(Title of Class of Securities)
460254-10-5
----------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with this statement / /. (A
fee is not required only if the filing person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
(Continued on following page(s))
Page 1 of 4 Pages
---
<PAGE>
CUSIP No. 460254-10-5 13G/A Page 2 of 4 Pages
----------- --- ---
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Eric Lidow S.S.# ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) / X /
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Citizenship or Place of Organization
United States
- -------------------------------------------------------------------------------
Number of Shares (5) Sole Voting
Beneficially Power 1,390,560 *
Owned by --------------------------------------------------
Each Reporting (6) Shared Voting
Person With Power --
--------------------------------------------------
(7) Sole Dispositive
Power 1,390,560 *
--------------------------------------------------
(8) Shared Dispositive
Power --
- -------------------------------------------------------------------------------
(9) Aggregate Amount Beneficially Owned by Each Reporting Person
1,390,560 *
- -------------------------------------------------------------------------------
(10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
/ X /
- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
5.6%
- -------------------------------------------------------------------------------
(12) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
Page 3 of 4
EXHIBIT TO SCHEDULE 13G/A
Item 1(a) NAME OF ISSUER:
International Rectifier Corporation
Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
233 Kansas Street
El Segundo, California 90245
Item 2(a) NAME OF PERSON FILING:
See Item 1 of Page 2
Item 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
233 Kansas Street
El Segundo, California 90245
Item 2(c) CITIZENSHIP:
See Item 4 of Page 2
Item 2(d) TITLE OF CLASS OF SECURITIES:
Common Stock
Item 2(e) CUSIP NUMBER:
See cover page
Item 4 OWNERSHIP:
See Items 5, 6, 7 and 8 of Page 2 and footnote below
Items 5-9 Not applicable
- --------------------------------------------------------------------------------
* Amount includes: 138,915 shares owned of record by one trust, of which I am
the trustee and one son is the beneficiary. I disclaim any beneficial ownership
in any of these shares; and 92,000 shares exercisable under the Company's stock
option plans.
Not included in this amount are 20,913 shares held by the Lidow Foundation,
of which I am a director. I disclaim any beneficial ownership in any of these
shares.
<PAGE>
Page 4 of 4
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
/s/ Eric Lidow
-----------------------------
Eric Lidow
