Empowering a Sustainable, Connected, and Safer World

solar panel against a sunny sky

Solutions Spotlight

How to Size Fuses for PV Systems

Use correct solar fuses to ensure safety. Wrong or non-Photovoltaic (PV) types can reduce reliability and increase risk.

white car powertrain in a shaded whiteish room

Applications Spotlight

Power Train Components

Explore how Littelfuse solutions help improve the safety, reliability, and functionality of the various systems that make up the modern electric vehicle’s power train.

USB-C Ports Baseball Card

Success Story

TVS Diodes Fortify USB-C Ports

A leading laptop manufacturer needed to protect USB Type-C ports from ESD, surges, and other transients without compromising signal integrity or consuming excess board space.

Education & Insights

How-to-size-a-heatsink

Technical Paper

November 17, 2025

How to Size a Heatsink for Industrial Solid State Relays

Use this guide to select the right heatsink for panel-mounted SSRs using practical thermal methods.

Quick Fuse Selection Guide

Selection Guide

November 17, 2025

Quick Fuse Selection Guide

Find the right fuse for your electronic applications.

PCIM Asia New Delhi 2025
December
9-10
2025

PCIM Asia New Delhi 2025

Join Littlefuse at the PCIM technology hub for the power electronics industry.

CONEXPO 2026
March
3-7
2026

CONEXPO 2026

CONEXPO is the largest construction show in North America!

November 11, 2025

New Littelfuse TMR Switches Deliver Ultra-Low Power Magnetic Sensing

Omnipolar and bipolar TMR switches combine high sensitivity with minimal power draw for smart meters, IoT devices, and compact electronics.

November 4, 2025

Littelfuse CPC1601M Load-Powered Latching Relay Simplifies Smart HVAC and Building Control Designs

Ultra-compact relay enables battery-less or low-power operation for thermostats, building automation, HVAC, and security systems.