Littelfuse products are vital components in applications that use electrical energy, from consumer electronics to vehicles and industrial facilities. Our history of innovation and technical expertise enable us to provide objective, comprehensive, and personalized customer solutions.

We offer the industry’s broadest and deepest portfolio of circuit protection products, with growing platforms in power control and sensing. We are expanding into adjacent markets as part of our corporate strategy of accelerated organic growth and strategic acquisitions. These markets include power semiconductors, heavy-duty switches, magnetic, optical, electromechanical, and temperature sensors; and products that provide safe control and distribution of electrical power.

With more than 50 sales, manufacturing, and engineering facilities worldwide and a global network of distribution channels, Littelfuse is the preferred brand of leading manufacturers everywhere.