-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FPLLipINKWNj94agH2ozdp4qrc+A7ELzdcby/t8CdGbhOLONJy5+Dz4n3+h0bk6W
 wW6RY7IsNQaW+iTaQ/ghXg==

<SEC-DOCUMENT>0001209191-03-018314.txt : 20030821
<SEC-HEADER>0001209191-03-018314.hdr.sgml : 20030821
<ACCEPTANCE-DATETIME>20030821124849
ACCESSION NUMBER:		0001209191-03-018314
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030819
FILED AS OF DATE:		20030821

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:			GRILLO ANTHONY
		CENTRAL INDEX KEY:			0001070847

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		03859615

	BUSINESS ADDRESS:	
		STREET 1:		PLEASANTVILLE RD
		CITY:			NEW VERNON
		STATE:			NJ
		ZIP:			07976
		BUSINESS PHONE:		2128573191

	MAIL ADDRESS:	
		STREET 1:		PLEASANTVILLE RD
		CITY:			NEW VERNON
		STATE:			NJ
		ZIP:			07976
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c79241-03ag.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
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<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-08-19</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000889331</issuerCik><issuerName>LITTELFUSE INC /DE</issuerName>        <issuerTradingSymbol>LFUS</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001070847</rptOwnerCik><rptOwnerName>GRILLO ANTHONY</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1></rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>NEW VERNON</rptOwnerCity><rptOwnerState>NJ</rptOwnerState><rptOwnerZipCode>07976</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common 
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ship></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>25.25</value></conversionOrExercisePrice><exerciseDate><value>1999-05-01</value></exerciseDate><expirationDate><value>2013-05-01</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>20.125</value></conversionOrExercisePrice><exerciseDate><value>2000-04-30</value></exerciseDate><expirationDate><value>2014
- -04-30</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>35.50</value></conversionOrExercisePrice><exerciseDate><value>2001-04-28</value></exerciseDate><expirationDate><value>2015-04-28</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>5000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</
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</SEC-DOCUMENT>
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