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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,
 WQLLA9fY4valp5wWo7ISZGA2tRhXH/WCK9HIJas8liYRMNyad0l0cFGfx69S8Ixv
 SrjXKuww9zSS/kj2+ccztQ==

<SEC-DOCUMENT>0001209191-03-031722.txt : 20031121
<SEC-HEADER>0001209191-03-031722.hdr.sgml : 20031121
<ACCEPTANCE-DATETIME>20031121170707
ACCESSION NUMBER:		0001209191-03-031722
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:			GRILLO ANTHONY
		CENTRAL INDEX KEY:			0001070847

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		031018836

	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>boc81233_01ag.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
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<?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>0001070847</rptOwnerCik><rptOwnerName>GRILLO ANTHONY</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>PLEASANTVILLE ROAD</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><securityTi
tle><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>428</value></transactionShares><transactionPricePerShare><value>28.07</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11190</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></secur
ityTitle><conversionOrExercisePrice><value>3.687</value></conversionOrExercisePrice><exerciseDate><value>1993-01-24</value></exerciseDate><expirationDate><value>2007-01-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>9.6251</value></conversionOrExercisePrice><exerciseDate><value>1994-02-12</value></exerciseDate><expirationDate><value>2008-02-12</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTit
le><underlyingSecurityShares><value>4000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>11.155</value></conversionOrExercisePrice><exerciseDate><value>1995-05-06</value></exerciseDate><expirationDate><value>2009-05-06</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>16.50</value></conversionOrExercisePrice><exerciseDate><value>1996-05-05</value></exerciseDate><expirationDate><value>2010-05-05</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4400</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4400</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>19.00</value></conversionOrExercisePrice><exerciseDate><value>1997-04-26</value></exerciseDate><expi
rationDate><value>2011-04-25</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4400</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4400</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>23.00</value></conversionOrExercisePrice><exerciseDate><value>1998-04-25</value></exerciseDate><expirationDate><value>2012-04-25</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>5000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTra
nsaction><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>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></s
ecurityTitle><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></underlyingSecurit
yTitle><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>27.10</value></conversionOrExercisePrice><exerciseDate><value>2002-04-27</value></exerciseDate><expirationDate><value>2016-04-27</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</val
ue></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>25.20</value></conversionOrExercisePrice><exerciseDate><value>2003-04-26</value></exerciseDate><expirationDate><value>2017-04-26</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><e
xpirationDate><value>2013-05-02</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></derivativeTable><footnotes><footnote id="F1">Purchase of 428 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>Anthony Grillo</signatureName><signatureDate>2003-11-21</signatureDate></ownerSign
ature></ownershipDocument>

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</SEC-DOCUMENT>
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