8-K

UNITED STATES

 SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

 Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported) January 9, 2009

INTERNATIONAL RECTIFIER CORPORATION

(Exact Name of Registrant as Specified in Charter)

Delaware	001-7935	95-1528961
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

233 Kansas Street, El Segundo, California 90245

(Address of Principal Executive Offices) (Zip Code)

(310) 726-8000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01. Regulation FD Disclosure

On January 9, 2009, the Company issued a press release announcing the preliminary results of the Company’s 2008 Annual Meeting.  A copy of that press release  is attached as Exhibit 99.1 to this Current Report on Form 8-K.  A copy of the management presentation presented at the 2008 Annual Meeting is available at the Investor Relations page of the Company’s website, www.irf.com.

The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, will not be treated as filed for the purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section. This information will not be incorporated by reference into a filing under the Securities Act of 1933, or into another filing under the Exchange Act, unless that filing expressly refers to specific information in this report. The furnishing of the information in this Item 7.01 of this report is not intended to, and does not, constitute a representation that such furnishing is required by Regulation FD or that the information in this Item 7.01 is material investor information that is not otherwise publicly available.

Item 9.01. Financial Statement and Exhibits

(d)  Exhibits

Exhibit Number	Description
99.1	Press Release dated January 9, 2009, titled International Rectifier International Rectifier Announces Preliminary Results of 2008 Annual Meeting

2

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 hereunto duly authorized.

Date: January 9, 2009	INTERNATIONAL RECTIFIER CORPORATION
	By:	/s/ Timothy E. Bixler
		Name: Timothy E. Bixler
		Title:   Vice President, General Counsel and Secretary

3

EXHIBIT INDEX

Exhibit Number	Description
99.1	Press Release, dated January 9, 2009, titled International Rectifier Announces Preliminary Results of 2008 Annual Meeting

EX-99.1

Exhibit 99.1

International Rectifier Announces Preliminary Results of 2008 Annual Meeting

EL SEGUNDO, CA — January 9, 2009 — International Rectifier Corporation (NYSE:IRF) today announced that, based on the preliminary results for its 2008 annual meeting of shareholders of the Company, shareholders have re-elected both of the Company’s nominees to the Board of Directors, Richard J. Dahl and Dr. Rochus E. Vogt.  In addition, shareholders voted to ratify the Company’s appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for fiscal year 2009 and approved an advisory shareholder proposal to eliminate the Company’s current classified board structure.  The Company said its Board of Directors takes the views of shareholders seriously and accordingly will carefully consider the support for the shareholder proposal.

About International Rectifier

International Rectifier Corporation (NYSE:IRF) is a world leader in power management technology. IR’s analog, digital, and mixed signal ICs, and other advanced power management products, enable high performance computing and save energy in a wide variety of business and consumer applications.  Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft, and defense systems rely on IR’s power management solutions to power their next generation products. For more information, go to www.irf.com.

Note: Statements made or implied in this release that are in the future tense or that are accompanied by words such as “will,” or variations of such words are “forward-looking” and involve risks and uncertainties that are not within International Rectifier’s control. A fuller explanation of these risks and uncertainties, including those related to the changes to the company’s internal controls and governance policies, is contained in International Rectifier’s periodic and other filings from time to time with the Securities and Exchange Commission.

# # #

Company contact:

Investors

Portia Switzer

310.726.8254

Chris Toth

310.252.7731

or
Media:
Kekst & Co.

Tom Davies

212-521-4873

Roanne Kulakoff

212-521-4837