Littelfuse Inc. Founded in 1927, the company started as a manufacturer of automotive fuses. Over the years, Littelfuse expanded its product portfolio and now offers a wide range of circuit protection products, power control and sensing solutions, and electronic modules.

Littelfuse's headquarters is located in Chicago, Illinois. The company operates manufacturing facilities and sales offices in more than 15 countries, including Canada, Mexico, China, Germany, and India. Its global footprint allows Littelfuse to effectively serve customers in various industries such as automotive, electronics, telecommunications, industrial, and electrical.

The company has several noteworthy subsidiaries, joint ventures, and partnerships. One significant subsidiary is IXYS Corporation, a power semiconductor and integrated circuit manufacturer. Littelfuse acquired IXYS in January 2018, expanding its product offerings and strengthening its position in the power semiconductor market.

Additionally, Littelfuse has strategic partnerships with other industry leaders, collaborating on research and development projects to drive innovation. Littelfuse is a market leader in circuit protection products, with a strong global presence and a reputation for high-quality and reliable products. It competes with other major players in the industry, such as Eaton Corporation and Schneider Electric.

With a focus on innovation and customer-centric solutions, Littelfuse has consistently achieved solid financial performance and has established itself as a trusted partner in the markets it serves. In terms of major events and achievements, in 2017 Littelfuse celebrated its 90th anniversary, reflecting its long history of success and growth. The acquisition of IXYS Corporation in 2018 further strengthened its position in the power semiconductor market.

Currently, Littelfuse continues to expand its product offerings and capabilities through strategic partnerships and acquisitions. The company remains committed to providing innovative solutions to its customers and maintaining its position as a market leader in circuit protection and power control technologies