Littelfuse manufactures the broadest and most innovative selection of fuses to serve nearly every possible application.
Enable easy fuse installation and replacement with our comprehensive line of fuse blocks, fuse holders, and fuse accessories.
See Littelfuse's specialty circuit protection products, terminals, automotive power distribution products, and industrial power distribution products.
Need the Littelfuse equivalent to a competitor part? Enter the competitor part number here.
Search for the part(s) number you wish to receive samples. Or, visit the sample center page.
Check distributor stock levels by entering in full or partial part numbers
Raising awareness of the opportunities for women in the engineering field.
The world first series connected: 20,000 Amp capable, fault-indicating surge protection module for outdoor LED lighting.
Easy to install, flexible and provides a mobile solution in your facility.
The most popular fuses designed to meet the needs of professionals.
High Performance 0805 Discrete TVS Diodes. Ideal for automotive, test equipment and portable medical device protection.
Latest standards, products, diagrams & videos in an interactive e-book.
Read Now
For emergency fulfillment, think of Littelfuse First.
Wednesday, July 30, 2014, 10 am CDT Windows Media Player Required
Headquartered in Rapid City, South Dakota, SymCom provides overload relays and pump controllers primarily to the industrial market
Littelfuse CEO Gordon Hunter recently discussed our history of innovation, positive experience in Asia and growth through acquisitions.
A robust web-based tool to help circuit designers identify the optimal electronic fuses for their products.