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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001209191-10-042044.txt : 20100811
<SEC-HEADER>0001209191-10-042044.hdr.sgml : 20100811
<ACCEPTANCE-DATETIME>20100811124020
ACCESSION NUMBER:		0001209191-10-042044
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100809
FILED AS OF DATE:		20100811
DATE AS OF CHANGE:		20100811

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FERBERT H DALSEN
		CENTRAL INDEX KEY:			0001279653

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		101007234

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c04751_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
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            <rptOwnerStreet2></rptOwnerStreet2>
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            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60631</rptOwnerZipCode>
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            <isTenPercentOwner>0</isTenPercentOwner>
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            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
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                <value>2010-08-09</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
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                <transactionShares>
                    <value>800</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2001-04-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-04-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                    <value>800</value>
                </underlyingSecurityShares>
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                <underlyingSecurityTitle>
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    <ownerSignature>
        <signatureName>Hugh Dalsen Ferbert</signatureName>
        <signatureDate>2010-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----