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PSX Series of High-Speed Fuses

The smallest NH XL package size on the market. Extremely fast-acting performance, up to 1500 V dc. Available in flush-end, DIN-mount, and bolted-blade styles

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105ºC Rated, 800V Solid State Relay

Ideal for challenging high-temperature applications including industrial, medical, and solar

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Circuit Protection Products Selection Guide

Designed to help you quickly find a protection solution appropriate to your application

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NEW: Arc-Flash Knowledge Center

Your resource for information and tools to learn about arc flash and stay protected from its damaging power.

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ITV Series Battery Protectors

A three-terminal, surface mountable Li-ion battery protector designed to guard against the damage caused by both overcurrent and overcharging

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New PSR Bladed High-Speed Fuses Wins EC&M’s Award

Winning the protective devices category also qualify these semiconductor fuses for Product of the Year, which will be voted on by EC&M subscribers

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Earnings Conference Call

Wednesday, July 29, 2020
10:00 a.m. ET • 9:00 a.m. CT

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Browse Our Product Portfolio

You'll find the right protection, control, and sensing solutions for your application in our broad and deep product portfolio.

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Protect. Control. Sense.

We manufacture leading technologies in circuit protection, power control, and sensing for a safer, greener, and increasingly connected world.

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Surge Protection Devices for Photovoltaic Equipment

Littelfuse has developed an SPD guide to help you determine the right specifications and setup to protect your PV installation.

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