Littelfuse products are vital components in applications that use electrical energy, from consumer electronics to vehicles and industrial facilities. Our history of innovation and technical expertise enable us to provide objective, comprehensive, and personalized customer solutions.

We offer the industry’s broadest and deepest portfolio of circuit protection products, with growing platforms in power control and sensing. We are expanding into adjacent markets as part of our corporate strategy of accelerated organic growth and strategic acquisitions. These markets include power semiconductors, heavy-duty switches, magnetic, optical, electromechanical, and temperature sensors; and products that provide safe control and distribution of electrical power.

Products Categories

Fuse Blocks, Fuse Holders and Fuse Accessories Varistors
Gas Discharge Tubes TVS Diode Arrays
Polymer ESD Suppressors SIDACtor Protection Thyristors

Concord Semi ISIS Intelligent Multiplex System
Pudenz Teccor

Featured Articles and Newest Products

Littelfuse setP™ Temperature Indicators Provide Improved Prevention of Overheating Damage to USB Type-C Connectors

Expanded portfolio helps prevent resistive faults in cables with USB Type-C connectors on each end

Littelfuse TVS Diode Arrays Provide Ultimate Ultra-Low Capacitance Protection from ESD for Ultra High-Speed Interfaces

AEC-Q101-qualified devices outperform polymer-based technologies and spark gaps

Littelfuse Introduces 650V SiC Schottky Diodes with New Package Sizes, Current Ratings from 6A to 40A at APEC 2019

Ideal for enhancing efficiency, reliability and thermal management in power electronics applications

Littelfuse SIDACtor® Protection Thyristor Safeguards CVBS Signal Lines Against Damaging Overvoltage Transients

High power density, small-footprint, surface-mount SOD-123FL solution simplifies PCB design

Quotation Request

Thank you for your interest. Please fill in the form below and one of our sales representatives will contact you soon.