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Form SD - Specialized disclosure report:
SEC Accession No. 0000889331-22-000026
Filing Date
2022-05-27
Accepted
2022-05-27 10:02:35
Documents
2

Document Format Files

Seq Description Document Type Size
1 SD fye2021formsd.htm SD 24825
2 EX-1.01 exhibit101conflictminerals.htm EX-1.01 564571
  Complete submission text file 0000889331-22-000026.txt   590475
Mailing Address 8755 WEST HIGGINS ROAD CHICAGO IL 60631
Business Address 8755 WEST HIGGINS ROAD CHICAGO IL 60631 773-628-1000
LITTELFUSE INC /DE (Filer) CIK: 0000889331 (see all company filings)

IRS No.: 363795742 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SD | Act: 34 | File No.: 000-20388 | Film No.: 22973098
SIC: 3613 Switchgear & Switchboard Apparatus