Automotive Fuses, Semiconductors,and Sensors

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AEC-Q101-Qualified TVS Diodes & Diode Arrays

Automotive Circuit Protection Applications Matrix

Automotive Products
Since inventing the first automotive fuse in 1930, Littelfuse has partnered with carmakers on circuit protection solutions that have become the industry standard. Browse our full line of Automotive products.

Automotive Electronics Applications Guide
This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

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About Littelfuse
Expertise Applied, Answers Delivered.
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.