Littelfuse Statement on COVID-19 - Last Updated: June 1, 2021.Learn More
ADR

New ADR Battery Disconnect Switch

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

Learn More
LST Varistor

LST Series SPD Thermally Protected Varistor

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

Learn More
Reed Relays

New Reed Relays

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

Learn More
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

Learn More
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

Learn More
AEE

AEE Online Exhibition
(May 26 to July 30)

The virtual booth exhibits the extensive product portfolios of circuit protection, and control solutions for a growing range of Automotive Electronics.

Register to Virtual Booth Page

Find Your Solution

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

Browse Products
Wind Turbines

Protection Solutions for Wind Energy

Safeguard your wind turbines with control, sensing and circuit protection products from Littelfuse.

Download Flyer
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
ECAD Models

ECAD Models Available Now on Littelfuse.com

Integrate Littelfuse PCB Symbols, Footprints, and 3D models into your Designs

Learn More