The brands of KWx



Littelfuse (formerly IXYS Westcode) has earned a worldwide reputation as a leading power semiconductor manufacturer. Together with KWx’s expertise, Littelfuse’s products provide standard and custom solutions for companies operating in industrial, maritime, transportation, telecommunications, computing, medical and consumer markets.

Smart solutions for complex applications

Littelfuse is our valued supplier of high-quality semiconductors and semiconductor assemblies. Littelfuse specializes in high power semiconductor assemblies based on customer specifications, with special requirements. Their engineering team excels at designing smart solutions for even the most complex applications. Without a doubt, Littelfuse offers the best range of solutions in terms of power, quality, compactness, and price.  

Price quality wise there is no better partner in smart semiconductor-based solutions.

High-power semiconductors

A small selection of Littelfuses’ semiconductor-based solutions 

  • Isolated rectifiers 
  • IGBT-modules
  • Diode-modules
  • Thyristor-modules
  • Thyristor-diodes


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Why choose Littelfuse?

  • Technical experience
  • Outstanding quality
  • Customer specific solutions
  • High power range
  • Short lead times

Littelfuse is the global leader in circuit protection solutions. They are the only company to offer all of the pertinent circuit protection technologies, with products that can be used in virtually everything that uses electrical energy. Littelfuse houses decades of design experience to help you address application challenges and achieve regulatory compliance.

Littelfuse Semiconductor Selection Guide

Receive the Littelfuse Power Semiconductor Selection Guide in your mailbox

Subject to rigorous testing and quality standards

Littelfuse is fully committed to European Parliament Directive 2002/95 / EC on Restriction of Hazardous Substances (RoHS) and has taken early initiatives to deliver environmentally friendly products that meet the needs of customers. Each of Littelfuse’s divisions strives to be lead-free / RoHS compliant and to ensure that restricted hazardous materials are not present or within RoHS restrictions. In addition, all products are subjected to strict testing and quality standards. The products are certified according to ISO 9001 and ISO 14001.


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