IXYS Integrated Circuits Division/Littelfuse, formerly Clare, Inc., an IXYS/Littelfuse Company, designs, manufactures, and markets high-voltage integrated circuits (ICs) and optically isolated Solid State Relays (OptoMOS®) for the communication, industrial, power, and consumer markets.

As a pioneer in the development of Solid State Relays (SSRs), they have become a leading supplier to the telecommunications, security, utility metering, and industrial control industries. IXYS Integrated Circuits Division/Littelfuse SSR solutions are rapidly replacing older electromechanical devices in many applications and enhancing overall system performance. They continue to develop leadership products that offer higher levels of integration and electrical performance.

With the acquisition of IXYS, Littelfuse significantly expands their portfolio, with solutions spanning a full range of technologies. This diverse portfolio will provide customers with the best technology and enhanced, differentiated capabilities in target markets and geographies as well as deliver greater industry access and increased growth opportunities.