New DC Contactor Relays

Our newest DC contactor relays provide design engineers with more flexibility for the next generation of high-powered electric commercial vehicles and industrial applications.

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New ATO® & MINI® Fuse Blocks

Our new ATO® & MINI® fuse blocks centralize wiring into a single, convenient location, enabling safe, cost-effective circuit protection.

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Mining Spotlight

Discover the circuit protection and power distribution products that help our customers maintain the safety and reliability of heavy trucks, large bulldozers, wheel loaders, excavators, and other mining vehicles.

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two diaodes

New SMTOAK2 TVS Diode Series

High surge rating SMD TVS diodes 50% smaller than other surface-mounted solutions.

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Manual Battery Disconnect Switch Guide

Manual Battery Disconnect Switch Guide & Market Outlook

Discover the advantages of manual battery disconnect switches and how to select the right one for your application. Plus, get a look at our portfolio and the current and future manual disconnect switch market in our latest white paper.

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Door & Window Sensor Design Guide

Door & Window Sensor Design Guide

Check out this design guide for the most effective placement and simulated interaction between reed switch and magnet in door & window security applications.

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Earnings Release Webcast

Wednesday, November 2, 2022
10:00 a.m. ET • 9:00 a.m. CT

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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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SB5000 Meets New Code Requirements

SB5000 Shock Block protects employees from electrical shock, reduces unnecessary tripping and complies with NEC210.8(B) Code.

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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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