<SEC-DOCUMENT>0000889331-20-000039-index.html : 20200529 <SEC-HEADER>0000889331-20-000039.hdr.sgml : 20200529 <ACCEPTANCE-DATETIME>20200528173344 ACCESSION NUMBER: 0000889331-20-000039 CONFORMED SUBMISSION TYPE: SD PUBLIC DOCUMENT COUNT: 2 <RULE> <RULE-NAME>13p-1 <ITEM> <ITEM-NUMBER>1.01 <ITEM-PERIOD>20191231 </ITEM> <ITEM> <ITEM-NUMBER>1.02 <ITEM-PERIOD>20191231 </ITEM> </RULE> FILED AS OF DATE: 20200529 DATE AS OF CHANGE: 20200528 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: 1226 FILING VALUES: FORM TYPE: SD SEC ACT: 1934 Act SEC FILE NUMBER: 000-20388 FILM NUMBER: 20922507 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>SD <SEQUENCE>1 <FILENAME>fye2019formsd.htm <DESCRIPTION>LITTELFUSE FORM SD FOR FYE 2019 <TEXT> Document 1 - file: fye2019formsd.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>exhibit101conflictminerals.htm <DESCRIPTION>EXHIBIT 1.01 CONFLICT MINERALS REPORT <TEXT> Document 2 - file: exhibit101conflictminerals.htm
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