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) October 27, 2008

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 8.01. Other Events

On October 27, 2008, International Rectifier Corporation issued a press release announcing that its Board of Directors authorized a stock repurchase program of up to $100 million.  Stock repurchases under this program may be made in the open market or through privately negotiated transactions. The timing and actual number of shares repurchased will depend on market conditions and other factors.  The stock repurchase program may be commenced or suspended at any time without prior notice.  The press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01. Financial Statement and Exhibits

(d)  Exhibits

Exhibit Number	Description
99.1	Press Release dated October 27, 2008

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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: October 27, 2008	INTERNATIONAL RECTIFIER CORPORATION
	By:	/s/ Timothy E. Bixler
		Name: Timothy E. Bixler
		Title: Vice President, General Counsel and Secretary

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EXHIBIT INDEX

Exhibit Number	Description
99.1	Press Release, dated October 27, 2008

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EX-99.1

Exhibit 99.1

International Rectifier Authorizes Stock Repurchase Program

EL SEGUNDO, CA – October 27, 2008 – International Rectifier Corporation (NYSE:IRF) announced today that its Board of Directors has authorized a stock repurchase program of up to $100 million.  The stock repurchase program reflects the Board’s confidence in the overall financial strength of the Company and prospects for the future.  Richard J. Dahl, Chairman of the Board of International Rectifier said: “We have a great deal of confidence in the prospects of our Company and believe that the share repurchase program authorization demonstrates our commitment to creating long-term value for all of our shareholders, while at the same time making prudent use of funds.  We are, of course, monitoring the macro-economic climate as well as market conditions in general and will be mindful of this and other opportunities for deployment of our resources.”

Any purchases under International Rectifier’s repurchase program may be made from time-to-time in the open market or through privately negotiated transactions.  Depending on market conditions and other factors, these purchases may be commenced or suspended at any time, or from time-to-time, without prior notice.

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.

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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