Littelfuse is a global enterprise and world leader in circuit protection, with expanding platforms in power controls and sensing technologies. Founded in 1927, the company's first invention was a small, fast-acting protective fuse designed for delicate electronic instruments. It partners with customers to design and deliver innovative, reliable solutions that improve safety, reliability, and performance across the industrial, transportation, and electronics sectors.
The company operates in more than 15 countries, employing over 17,000 associates and serving over 100,000 end customers. Its manufacturing scale produces billions of electronic components. The firm's headquarters trace its origins to Chicago.
Littelfuse emphasizes a commitment to continuous evolution, strategic acquisitions, and an unwavering focus on customer needs to maintain its position in its core technical domains of circuit protection, power controls, and sensing technologies.






