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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Df3pC2YGQllsLyY+yZv2gJ7BacmZWbyBOgWajqn2cxS8mre7mr6eKwkMxb97JjGd
 bf+L3bOta6d8ZR0KdBSEvw==

<SEC-DOCUMENT>0001179110-03-002264.txt : 20030624
<SEC-HEADER>0001179110-03-002264.hdr.sgml : 20030624
<ACCEPTANCE-DATETIME>20030624172618
ACCESSION NUMBER:		0001179110-03-002264
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030624
FILED AS OF DATE:		20030624

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL RECTIFIER CORP /DE/
		CENTRAL INDEX KEY:			0000316793
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				951528961
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0629

	BUSINESS ADDRESS:	
		STREET 1:		233 KANSAS ST
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245
		BUSINESS PHONE:		3107268000

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LIDOW ALEXANDER
		CENTRAL INDEX KEY:			0001242599

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07935
		FILM NUMBER:		03755604

	BUSINESS ADDRESS:	
		STREET 1:		233 KANSAS STREET
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245
		BUSINESS PHONE:		3107268000

	MAIL ADDRESS:	
		STREET 1:		233 KANSAS STREET
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -2003-06-24
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-24</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000316793</issuerCik><issuerName>INTERNATIONAL RECTIFIER CORP /DE/</issuerName>        <issuerTradingSymbol>IRF</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001242599</rptOwnerCik><rptOwnerName>LIDOW ALEXANDER</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Executive Officer</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>
Common Stock</value><footnoteId id="F1"/></securityTitle><transactionDate><value>2003-06-24</value></transactionDate><deemedExecutionDate><value>2003-06-24</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1000</value></transactionShares><transactionValue><value>25.94</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1222395</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F2"/></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">The sale of shares set forth herein are made in connection
 with a sellingplan dated January 30, 2003, that is intended to comply with Rule 10b5-1(C).</footnote><footnote id="F2">The above shareholding includes the following: 46 shares owned under the Company's 401(k) plan; 16,400 shares owned by my wife, Janet Hart; 3,623 shares owned by my son, Nicholai; 58,758 shares I hold as custodian for my son, Nicholai; 20,481 shares I hold as custodian for my daughter, Haile; 900 shares my wife holds as custodian for my son, Nicholai; 1,800 shares my wife holds as custodian for my daughter, Haile; and 660 shares my wife holds as custodian for her niece, Amber Hornsby.  I disclaim any beneficial interest in the above-mentioned shares owned by my wife, son or held by my wife or me as custodian.  In addition,the Lidow Foundation, of which I am a director, holds 126,879 shares; I disclaim any pecuniary interest in these shares.</footnote></footnotes><ownerSignature><signatureName>Alexander Lidow</signatureName><signatureDate>2003-06-24</signatureDate></ownerSignature></ownershi
pDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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