Pxxx0S3N Series SIDACtor ®

Provide high surge current overvoltage protection in compact package, designed for industrial applications.

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ITV4030 Battery Protectors

ITV4030's fast response prevents overcurrents and overcharging damage in consumer electronics applications.

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Contactor Application Note

Good for most high-voltage (HV) electric vehicle (EV) applications, DC contactors with polarization offer a significant advantage in terms of electric cycle life compared to non-polarized DC contactors.

Learn why in our latest Application note

Fuse Holder Brochure

We offer a broad selection of reliable fuse holders and fuse blocks to fit a wide variety of automotive applications. If you need help selecting the best fuse holder for your application, we’ve got you covered.

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Earnings Release Webcast

Wednesday, August 3, 2022
10:00 a.m. ET • 9:00 a.m. CT

Join the Webcast
C&K Now Part of Littelfuse

Littelfuse Completes Acquisition of C&K

C&K is a leading designer and manufacturer of high-performance electromechanical switches and interconnect solutions.

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Optimize PV Installations with Proper Solar Fuse Protection

Want to maximize your photovoltaic installation protection? This Littelfuse paper shows how to calculate fuse sizes to obtain the highest reliability and safety for your solar system.

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2022 Is Our 95th Anniversary

Littelfuse is celebrating 95 years of serving our customers with innovative results and operational excellence.

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