---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-22-013670"
form_type: "8-K"
ticker: "LFUS"
cik: "0000889331"
company_name: "LITTELFUSE INC /DE"
filed_at: "2022-04-08T23:59:59+00:00"
generated_at: "2026-06-26T08:38:12.893619+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Littelfuse to acquire C&K Switches for $540M enterprise value

## Summary
- Enterprise value $540M; expected close in Q2 2022 subject to regulatory approvals.
- C&K Switches is a designer of electromechanical switches with annualized sales >$200M.
- Acquisition to be financed through a combination of cash and debt.
- C&K will be reported within the Electronics segment; seller is affiliate of Sun Capital.
- Transaction enhances growth across industrial, transportation, aerospace, and datacom markets.

## SEC filing metadata
- accession: 0001140361-22-013670
- form_type: 8-K
- ticker: LFUS
- cik: 0000889331
- company_name: LITTELFUSE INC /DE
- filed_at: 2022-04-08T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889331/000114036122013670/0001140361-22-013670-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889331/000114036122013670/brhc10036099_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-22-013670
- JSON: https://secwatch.observer/filing/0001140361-22-013670.json
- Plain text: https://secwatch.observer/filing/0001140361-22-013670.txt

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