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October 2023 – Littelfuse Circuit Protection Products Selection Guide

Introducing the new Littelfuse Circuit Protection Products Guide

Littelfuse Circuit Protection Products Selection Guide

This guide provides a summary of key circuity protection consideration factors, descriptions of technologies offered by Littelfuse and product selection tables. It is designed to help you quickly find a protection solution best suited to your application. The guide features product success stories and an application matric to allow you to quickly identify where Littelfuse products can help solve design challenges.


Littelfuse Circuit Protection Products Selection Guide

This helpful guide covers the following products: surface mount fuses, radial leaded/socket fuses, axial leaded/cartridge fuses, fuse holders, surface mount PPTC devices, radial leaded PPTC devices, battery PPTC devices, battery mini-breakers, battery protectors, telecom PPTC devices, varistors, gas discharge tubes, PulseGuard ESD suppressors, TVS diode arrays, protection ICs, TVS diodes, automotive TVS diodes, PLED bypass protectors, SIDACtor protection thyristors and circuit breakers.

Download the Littelfuse Circuit Protection Products Selection Guide here.


Why Choose Littelfuse

  • Your single source – offering an extensive circuit protection line so you won’t have to compromise.
  • Technical support – providing design assistance by offering lab testing capabilities and with more than 15 locations worldwide, Littelfuse’s labs are equipped to provide testing for overcurrent, overvoltage, electrostatic discharge (ESD), temperature, failure analysis, material analysis and application performance.
  • Application knowledge – focused on circuit protection for over 95 years, Littelfuse supports engineers and circuit designers worldwide.
  • Global support – Littelfuse stays close to customers. With manufacturing, lab and design facilities located around the globe, application knowledge and technical support are available locally.
  • Standard compliance excellence – most Littelfuse products comply with a wide range of applicable international standards and regulations such as CCC, CSA, IEC, IEEE, ISO, ITU, METI, RoHS, Telcordia, TIA and many more.
  • Operational excellence – Littelfuse is firmly committed to manufacturing quality products at competitive prices. They build quality into their products and services, aiming for zero defects in everything they do.
  • Quality assurance – Littelfuse’s global manufacturing facilities adhere to strict quality management systems such as iso 9001, iso 14001 and IATF 16949.


GD Rectifiers have access to a small range of Littelfuse products, and complete access to IXYS products now acquired by Littelfuse.

For further information on the Littelfuse product range, please contact our team on 01444 243 452 or email

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