---
schema_version: "secwatch.filing_event.v1"
accession: "0000889331-22-000032"
form_type: "8-K"
ticker: "LFUS"
cik: "0000889331"
company_name: "LITTELFUSE INC /DE"
filed_at: "2022-07-19T23:59:59+00:00"
generated_at: "2026-06-24T12:52:59.208297+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Littelfuse closes acquisition of C&K Switches; funds $100M 4.33% notes due 2032

## Summary
- Completed acquisition of C&K Switches, a designer of high-performance electromechanical switches and interconnect solutions.
- C&K has annualized sales exceeding $200M and will be reported in the Electronics segment.
- Financed through available cash and debt; issued $100M aggregate principal of 4.33% Senior Notes due June 30, 2032.
- 20 wholly-owned subsidiaries guaranteed the Senior Notes under a Subsidiary Guaranty Agreement dated July 18, 2022.
- C&K serves industrial, transportation, aerospace, and datacom end markets globally.

## SEC filing metadata
- accession: 0000889331-22-000032
- form_type: 8-K
- ticker: LFUS
- cik: 0000889331
- company_name: LITTELFUSE INC /DE
- filed_at: 2022-07-19T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889331/000088933122000032/0000889331-22-000032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889331/000088933122000032/lfus-20220718.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000889331-22-000032
- JSON: https://secwatch.observer/filing/0000889331-22-000032.json
- Plain text: https://secwatch.observer/filing/0000889331-22-000032.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.