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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,
 QKuRrBfI5SHr63sXhyr4ulLZlQVqniB1Pxkd56FWSmfMJ3PH9JXToQhmsR8Bfge+
 OgObnZZqr0qthD3mRa0LEQ==

<SEC-DOCUMENT>0001209191-03-017106.txt : 20030814
<SEC-HEADER>0001209191-03-017106.hdr.sgml : 20030814
<ACCEPTANCE-DATETIME>20030814125741
ACCESSION NUMBER:		0001209191-03-017106
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030813
FILED AS OF DATE:		20030814

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MUCHONEY MARY S
		CENTRAL INDEX KEY:			0001182090

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		03845261

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

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>c79095-3msm.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
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</SEC-DOCUMENT>
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