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) February 6, 2004

INTERNATIONAL RECTIFIER CORPORATION

(Exact name of registrant as specified in charter)

Delaware	1-7935	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)

(310) 726-8000
(Registrant’s telephone number, including area code)

No Change
(Former name or former address, if changed since last report)

Item 9. Regulation FD Disclosure

The securities trading policy of International Rectifier Corporation (the “Company”) permits its employees, officers and directors to engage in pre-determined plans for trades on a regular basis over a period of time of specified amounts of Company stock in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934.

As permitted by this policy, Chairman Eric Lidow, Chief Executive Officer Alexander Lidow and Executive Vice President Robert Grant have entered into sales plans for common stock arising from the exercise of a portion of the Company stock options each holds. Eric Lidow will sell up to 214,500 shares over a period of one year. Alexander Lidow will sell up to 195,000 shares and Robert Grant up to 97,500 shares, in each case over a period of nine months.

For Eric Lidow and Alexander Lidow, the new sales plans follow the expiration of sales plans reported by the Company in February 2003.

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.

	INTERNATIONAL RECTIFIER CORPORATION

Date: February 6, 2004	By:	/s/ DONALD R. DANCER
		Name:	Donald R. Dancer
		Title:	Secretary and General Counsel