Item 7.01. Regulation FD Disclosure.

On November 9, 2009, International Rectifier Corporation (the "Company") issued a press release announcing the preliminary results of the 2009 annual meeting of shareholders. A copy of that press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

As previously announced, at the Company's 2009 annual meeting, Oleg Khaykin, the Company's Chief Executive Officer, shared the Company's investor presentation with shareholders. A copy of the Company's investor presentation, as updated following the meeting, is posted and available for viewing at the Company's investor relations website at http://investor.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.

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Item 9.01. Financial Statements and Exhibits.

Exhibit Number Description 99.1 Press release of International Rectifier Corporation dated November 9, 2009.

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