IXYS Integrated Circuits’ unique mix of high voltage wafer fabrication, isolation barrier expertise, multi-chip packaging experience, and expertise in analog, mixed signal, and power design, points the way to greater functionality in a smaller footprint at lower cost for your designs.

Littelfuse's HWB Series selection guide for sealed hard-wired distribution boxes.

Littelfuse products help protect, control, and distribute vehicle electrical power in OEM and aftermarket applications for numerous industries.

Offered in various and other configurations for a wide range of currents blocking/off-state voltages, packages, and triggering.

This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables.

Sensing Products Selection Guide

Protect and Control the Critical Components in your HVAC Systems

Vital in manufacturing and processing environments, sensitive ground-fault relays create safer working environments without affecting the uptime of critical operations.

This cross reference covers the most popular fuses for which there is a similar Littelfuse standard item.

From basic to advanced, from standard to smart, we have the level of protection that’s right for you. Use this checklist to easily select the degree of motor protection that you need for your application.

Automotive Electronics

Today’s datacenters must handle the vastly higher volumes of data being produced by millions of mobile devices and the objects that make up the Internet of Things (IoT).

The PolySwitch families of telecommunications and networking devices help meet the growing demand for resettable overcurrent protection.

Littelfuse's top sensing solutions for detecting position, proximity, speed, level and flow

Littelfuse’s Polymer ESD (PESD) line of devices helps protect I/O ports on HDMI 1.3, portable video players, LCD and plasma TVs, USB 2.0, digital visual interface (DVI), and antenna switches.

PolySwitch line-voltage-rated (LVR) devices, from Littelfuse, help protect electric motors and transformers used in commercial and home appliances from damage caused by mechanical overloads, overheating, stall, lost neutral and other potentially harmful conditions.

A selection guide on polyswitch devices from Littelfuse.

Littelfuse PolyZen devices are polymer-enhanced, precision Zener diodes. They offer resettable protection against multi-Watt fault events without the need for multi-Watt heat sinks.

Littelfuse PolySwitch devices for automotive applications offer overcurrrent, overvoltage, PCB trace fault, and thermal protection for your vehicle’s sensitive electronics.

Littelfuse offers designers many different protection devices to choose from in an array of form factors and device characteristics that meet the needs of their particular design.