Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.

Littelfuse is the preferred brand for leading manufacturers around the world, with more than 40 sales, manufacturing and engineering facilities and a global network of distribution channels.

  • Read about the latest innovations and developments from Littelfuse!...Read More...Read More

  • Littelfuse Worldwide Locations

    Littelfuse is a global company, and has offices and manufacturing facilities around the world. Explore the below map to ...Read More

  • Our History

    Since Edward V. Sundt founded Littelfuse in 1927, we've been driven by innovation. Sundt invented the first small, fast-...Read More

  • Product Catalogs Overiew Image

    When you work for Littelfuse, you work for a global leader in circuit protection composed of a team of experts all shari...Read More

  • Capabilities Brochures

    Within this section you will find PDFs of Littelfuse's segment-specific capabilities brochures, which give an overview o...Read More

  • Littelfuse is committed to meeting customer expectations and providing quality products and services at a competitive pr...Read More

  • Littelfuse has been recognized for excellence in innovation, product design and as one of the best places to work. The f...Read More

  • At Littelfuse we believe in continuous improvement, that is why we have an internal lean team....Read More

  • Looking back on a great year of hard work and growth...Read More