<PAGE>
EXHIBIT 25.1
================================================================================
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
-----------------------------
FORM T-1
STATEMENT OF ELIGIBILITY
UNDER THE TRUST INDENTURE ACT OF 1939 OF A
CORPORATION DESIGNATED TO ACT AS TRUSTEE
-----------------------------
__ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO
SECTION 305(b) (2)
WELLS FARGO BANK MINNESOTA, NATIONAL ASSOCIATION
(Exact name of trustee as specified in its charter)
A U.S. NATIONAL BANKING ASSOCIATION 41-1592157
(Jurisdiction of incorporation or (I.R.S. Employer
organization if not a U.S. national Identification No.)
bank)
SIXTH STREET AND MARQUETTE AVENUE
Minneapolis, Minnesota 55479
(Address of principal executive offices) (Zip code)
Stanley S. Stroup, General Counsel
WELLS FARGO BANK MINNESOTA, NATIONAL ASSOCIATION
Sixth Street and Marquette Avenue
Minneapolis, Minnesota 55479
(612) 667-1234
(Agent for Service)
-----------------------------
INTERNATIONAL RECTIFIER CORPORATION
(Exact name of obligor as specified in its charter)
DELAWARE 95-1528961
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)
233 KANSAS STREET
EL SEGUNDO, CALIFORNIA 90245
(Address of principal executive offices) (Zip code)
-----------------------------
4.25% CONVERTIBLE SUBORDINATED NOTES DUE 2007
(Title of the indenture securities)
================================================================================
<PAGE>
Item 1. GENERAL INFORMATION. Furnish the following information as to the
trustee:
(a) Name and address of each examining or supervising authority to
which it is subject.
Comptroller of the Currency
Treasury Department
Washington, D.C.
Federal Deposit Insurance Corporation
Washington, D.C.
The Board of Governors of the Federal Reserve System Washington,
D.C.
(b) Whether it is authorized to exercise corporate trust powers.
The trustee is authorized to exercise corporate trust powers.
Item 2. AFFILIATIONS WITH OBLIGOR. If the obligor is an affiliate of the
trustee, describe each such affiliation.
None with respect to the trustee.
No responses are included for Items 3-14 of this Form T-1 because the obligor is
not in default as provided under Item 13.
Item 15. FOREIGN TRUSTEE. Not applicable.
Item 16. LIST OF EXHIBITS. List below all exhibits filed as a part of this
Statement of Eligibility. Wells Fargo Bank
incorporates by reference into this Form T-1 the
exhibits attached hereto.
Exhibit 1. a. A copy of the Articles of Association of the trustee
now in effect.***
Exhibit 2. a. A copy of the certificate of authority of the trustee
to commence business issued June 28, 1872, by the
Comptroller of the Currency to The Northwestern
National Bank of Minneapolis.*
b. A copy of the certificate of the Comptroller of the
Currency dated January 2, 1934, approving the
consolidation of The Northwestern National Bank of
Minneapolis and The Minnesota Loan and Trust Company
of Minneapolis, with the surviving entity being
titled Northwestern National Bank and Trust Company
of Minneapolis.*
c. A copy of the certificate of the Acting Comptroller
of the Currency dated January 12, 1943, as to change
of corporate title of Northwestern National Bank and
Trust Company of Minneapolis to Northwestern National
Bank of Minneapolis.*
d. A copy of the letter dated May 12, 1983 from the
Regional Counsel, Comptroller of the Currency,
acknowledging receipt of notice of name
<PAGE>
change effective May 1, 1983 from Northwestern
National Bank of Minneapolis to Norwest Bank
Minneapolis, National Association.*
e. A copy of the letter dated January 4, 1988 from the
Administrator of National Banks for the Comptroller
of the Currency certifying approval of consolidation
and merger effective January 1, 1988 of Norwest Bank
Minneapolis, National Association with various other
banks under the title of "Norwest Bank Minnesota,
National Association."*
f. A copy of the letter dated July 10, 2000 from the
Administrator of National Banks for the Comptroller
of the Currency certifying approval of consolidation
effective July 8, 2000 of Norwest Bank Minnesota,
National Association with various other banks under
the title of "Wells Fargo Bank Minnesota, National
Association."****
Exhibit 3. A copy of the authorization of the trustee to exercise
corporate trust powers issued January 2, 1934, by the
Federal Reserve Board.*
Exhibit 4. Copy of By-laws of the trustee as now in effect.***
Exhibit 5. Not applicable.
Exhibit 6. The consent of the trustee required by Section 321(b) of
the Act.
Exhibit 7. A copy of the latest report of condition of the trustee
published pursuant to law or the requirements of its
supervising or examining authority.**
Exhibit 8. Not applicable.
Exhibit 9. Not applicable.
* Incorporated by reference to exhibit number 25 filed with
registration statement number 33-66026.
** Incorporated by reference to exhibit number 25 filed with
registration statement number 333-45196
*** Incorporated by reference to exhibit T3G filed with registration
statement number 022-22473
<PAGE>
**** Incorporated by reference to exhibit number 25.1 filed with
registration statement number 001-15891
SIGNATURE
Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the
trustee, Wells Fargo Bank Minnesota, National Association, a national banking
association organized and existing under the laws of the United States of
America, has duly caused this statement of eligibility to be signed on its
behalf by the undersigned, thereunto duly authorized, all in the City of
Minneapolis and State of Minnesota on the 6th day of October 2000.
WELLS FARGO BANK MINNESOTA,
NATIONAL ASSOCIATION
/s/ JANE Y. SCHWEIGER
----------------------
Jane Y. Schweiger
Corporate Trust Officer
<PAGE>
EXHIBIT 6
October 6, 2000
Securities and Exchange Commission
Washington, D.C. 20549
Gentlemen:
In accordance with Section 321(b) of the Trust Indenture Act of 1939, as
amended, the undersigned hereby consents that reports of examination of the
undersigned made by Federal, State, Territorial, or District authorities
authorized to make such examination may be furnished by such authorities to the
Securities and Exchange Commission upon its request therefor.
Very truly yours,
WELLS FARGO BANK MINNESOTA,
NATIONAL ASSOCIATION
/s/ JANE Y. SCHWEIGER
---------------------------------
Jane Y. Schweiger
Corporate Trust Officer
