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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001209191-03-031726.txt : 20031121
<SEC-HEADER>0001209191-03-031726.hdr.sgml : 20031121
<ACCEPTANCE-DATETIME>20031121170815
ACCESSION NUMBER:		0001209191-03-031726
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031121
FILED AS OF DATE:		20031121

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LITTELFUSE INC /DE
		CENTRAL INDEX KEY:			0000889331
		STANDARD INDUSTRIAL CLASSIFICATION:	SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
		IRS NUMBER:				363795742
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 E NORTHWEST HWY
		CITY:			DES PLAINES
		STATE:			IL
		ZIP:			60016
		BUSINESS PHONE:		7088241188

	MAIL ADDRESS:	
		STREET 1:		800 E. NORTHWEST HWY
		CITY:			DES PLAINES
		STATE:			IL
		ZIP:			60016

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHUBEL RONALD L
		CENTRAL INDEX KEY:			0001144957

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		031018841

	BUSINESS ADDRESS:	
		STREET 1:		MOLEX INC
		STREET 2:		2222 WELLINGTON COURT
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
		BUSINESS PHONE:		6305274598

	MAIL ADDRESS:	
		STREET 1:		MOLEX INC
		STREET 2:		2222 WELLINGTON COURT
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c81233_01rs.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-21</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000889331</issuerCik><issuerName>LITTELFUSE INC /DE</issuerName>        <issuerTradingSymbol>LFUS</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001144957</rptOwnerCik><rptOwnerName>SCHUBEL RONALD L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>109 SOUTH BRAINARD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>NAPERVILLE</rptOwnerCity><rptOwnerState>IL</rptOwnerState><rptOwnerZipCode>60540</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><security
Title><value>Common Stock</value><footnoteId id="F1" /><footnoteId id="F2" /></securityTitle><transactionDate><value>2003-11-21</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>392</value></transactionShares><transactionPricePerShare><value>28.07</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3079</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Deferred Comp</value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></secu
rityTitle><conversionOrExercisePrice><value>23.48</value></conversionOrExercisePrice><exerciseDate><value>2003-06-14</value></exerciseDate><expirationDate><value>2017-06-14</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>5000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>20.24</value></conversionOrExercisePrice><exerciseDate><value>2004-05-02</value></exerciseDate><expirationDate><value>2013-05-02</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTit
le><underlyingSecurityShares><value>5000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Purchase of 392 shares of Common Stock by the Trustee under the Littelfuse Deferred Compensation Plan for Non-Employee Directors (the "Plan") for the benefit of the reporting person in transaction under Rule 16(b)-3. </footnote><footnote id="F2">The shares are held by the Trustee of the Plan for the benefit of the reporting person.</footnote></footnotes><ownerSignature><signatureName>Ronald L. Schubel</signatureName><signatureDate>2003-11-21</signatureDate></ownerSignature></ownershipDocument>

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