<SEC-DOCUMENT>0000889331-20-000020-index.html : 20200313
<SEC-HEADER>0000889331-20-000020.hdr.sgml : 20200313
<ACCEPTANCE-DATETIME>20200313090531
ACCESSION NUMBER:		0000889331-20-000020
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20200423
FILED AS OF DATE:		20200313
DATE AS OF CHANGE:		20200313
EFFECTIVENESS DATE:		20200313

FILER:

	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:			1228

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		20710863

	BUSINESS ADDRESS:	
		STREET 1:		8755 WEST HIGGINS ROAD
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
		BUSINESS PHONE:		773-628-1000

	MAIL ADDRESS:	
		STREET 1:		8755 WEST HIGGINS ROAD
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2020proxystatementdef14a.htm
<DESCRIPTION>DEF 14A - 2020 PROXY STATEMENT
<TEXT>
Document 1 - file: a2020proxystatementdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>daveheinzmann.jpg
<TEXT>
Document 2 - file: daveheinzmann.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>green.jpg
<TEXT>
Document 3 - file: green.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image05.jpg
<TEXT>
Document 4 - file: image05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image06.jpg
<TEXT>
Document 5 - file: image06.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image07.jpg
<TEXT>
Document 6 - file: image07.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>image09.jpg
<TEXT>
Document 7 - file: image09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>image10.jpg
<TEXT>
Document 8 - file: image10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>image11.jpg
<TEXT>
Document 9 - file: image11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image13.jpg
<TEXT>
Document 10 - file: image13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>image16.jpg
<TEXT>
Document 11 - file: image16.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>kristinacernigliabw002a01.jpg
<TEXT>
Document 12 - file: kristinacernigliabw002a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>lfusproxycard2020001.jpg
<TEXT>
Document 13 - file: lfusproxycard2020001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>lfusproxycard2020002.jpg
<TEXT>
Document 14 - file: lfusproxycard2020002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>logotaglinepms348.jpg
<TEXT>
Document 15 - file: logotaglinepms348.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>stafford_sig.jpg
<TEXT>
Document 16 - file: stafford_sig.jpg

</DOCUMENT>
</SEC-DOCUMENT>