New Temperature Sensor Products Now Available

Littelfuse expands its portfolio of sensors for the electronics market.

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Protect Critical Water/Wastewater Operations

Learn how to upgrade and protect these critical infrastructures

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90 Years of Innovation and Engineering Expertise

Learn about our history of innovation and view a timeline of Littelfuse milestones.

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Protect Critical Power Electronics

New Extreme Current Limiting POWR-SPEED line of High-Speed Fuses

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State of the SiC MOSFET

Device evolution, technology merit, and commercial prospects

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SP11xx Series TVS Diode Arrays

Protects DC powerlines for PoweredUSB interfaces from damaging ESD

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PICO® 304 Series UL 913 Surface Mount Fuse

First encapsulated surface mount fuse designed for intrinsic safety protection

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White Paper: HWB Series

The HWB Series from Littelfuse offers multi-circuit vehicle power distribution in a rugged, sealed, compact unit. This white paper will provide background on why, and how, to choose the correct assembly.

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NACV Show

Visit the Littelfuse booth 4602 at the North American Commercial Vehicle Show (NACV) in Atlanta, Georgia from September 25-28. View the interactive product board, sensor demos, and get hands-on experience.

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Littelfuse to Acquire IXYS


Monday, August 28, 2017
8:00 a.m. CST – 9:00 a.m. EST

Archived Webcast

Don’t miss these Littelfuse events!

Find out where and when the most important events in the industry will take place.

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Littelfuse acquires U.S. Sensor

Acquired thermistors and probe assemblies used in the most demanding temperature sensing applications.

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Keep Your Distance and Stay Safe!

The new MP8000 Bluetooth® Enabled Overload Relay can be monitored from your smart phone

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