Our Sales team is ready to help answer any questions you may have! Looking for a quote or need some design help? 

Please complete the form and we will contact you. 

If you are looking for a local Sales Rep or Distributor - please use "Search Sales Locator."

Thank you for your interest in C&K (now part of Littelfuse)!

Customer Service Locations


465 Waverley Oaks Road
Suite 400
Waltham, MA 02452

Tel: +1 617 969 3700

Suites 2109-10, 21/F
Prudential Tower, The Gateway
Harbour City, Tsim Sha Tsui, Hong Kong

Tel: +63 434300 100

Arlington Square,
Batiment B
2, Boulevard Michaël
Faraday - Serris
Marne la Vallée Cedex
4 77716

Tel: +33 1 60 24 51 51