Littelfuse

Littelfuse, Inc. is a diversified industrial technology manufacturing company based in Chicago, Illinois. Founded in 1927, it specializes in circuit protection solutions that enhance the reliability and safety of electrical systems across various sectors, including industrial, transportation, electronics, automotive, and electrical markets. With around 16,000 employees in over 20 countries, Littelfuse serves more than 100,000 customers through its design, manufacturing, and application testing services. The company operates through three main segments: Electronics, Transportation, and Industrial. The Electronics segment focuses on electrification and energy efficiency, offering products such as fuses and surge protection modules. The Transportation segment provides circuit protection for vehicles and aviation, while the Industrial segment delivers solutions for safety-critical applications in power systems and defense. Littelfuse has a rich history of innovation, having pioneered small, fast-acting fuses and expanded its product portfolio to include a wide range of electronic components and protection devices.