Customer Support

Before, during and after you make your selection, Littelfuse is here to help you every step of the way. Here, you can order product samples and literature, and contact customer service or technical support.

If you can’t find the information you need, you can always contact us directly at:

Littelfuse World Headquarters
800 E. Northwest Highway
Des Plaines, IL 60016 USA
Phone: 847.824.1188
Fax: 847.391.0894