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Temperature Sensors

NTDs Thermistor and RTDs

Littelfuse offers a broad portfolio of negative temperature coefficient (NTC) thermistors, resistance temperature detectors (RTDs), as well as probes and assemblies, for your unique temperature sensing applications

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ADR

New ADR Battery Disconnect Switch

The ADR (Accord Dangereux Routier) Battery Disconnect Switch is a bistable/magnetic, current isolating switch

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LST Varistor

LST Series SPD Thermally Protected Varistor

Ideal for Type 1 and Type 2 SPD devices used in Residential, Commercial, and Industrial applications

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Reed Relays

New Reed Relays

Offer Reliable Switching of AC and DC Small Signal to High Voltage Loads.

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400PV fuse

400PV Series SMD Photovoltaic Fuse

First PV fuse on the market that protects PV roof shingles from reverse overcurrent that can cause heat and fire

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Battery Disconnect Lockout Lever Kits

New Blister Pack Battery Disconnect Lockout Lever Kits

The Lockout Lever Kit is suitable for use with Cole Hersee brand lever actuated metal case master disconnect switches on applications requiring lockout/tagout

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Q12021

Earnings Conference Call

Wednesday, April 28, 2021
10:00 a.m. ET • 9:00 a.m. CT

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Find Your Solution

Discover our broad and deep portfolio of products, where you'll find the right solution for your application.

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Renewable Energy

Protection for Renewable Energy Systems

From battery energy storage to solar or wind power systems, Littelfuse understands the challenges of renewable energy circuit protection.

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SPD Guide

Surge Protective Device Selection Guide

Littelfuse has developed an interactive selection guide to help you determine the right size SPD device to protect your PV installation.

Check It Out Here