Founded in 1927, Littelfuse operates through three primary business segments: Electronics, Transportation, and Industrial. The Electronics segment provides fuses, electromechanical switches, and semiconductor products for data centers, telecommunications, and consumer electronics. The Transportation segment supplies power distribution modules, high-voltage fuses, and sensors for commercial vehicles, heavy-duty trucks, and electric vehicles. The Industrial segment offers protection relays, industrial fuses, and temperature sensors for renewable energy systems, HVAC, and factory automation. With a global footprint spanning the Americas, Europe, and Asia, Littelfuse serves over 100,000 end customers and plays a critical role in safeguarding electronic devices and power systems.
