Littelfuse, Inc. manufactures and sells circuit protection, power control, and sensing products in the Asia-Pacific, the Americas, and Europe. The company's Electronics segment offers fuses and fuse accessories, positive temperature coefficient resettable fuses, polymer electrostatic discharge suppressors, varistors, magnetic sensing products, and gas discharge tubes and discrete transient voltage suppressor (TVS) diodes, TVS diode arrays, protection and switching thyristors, metal-oxide-semiconductor field-effect transistors, silicon carbide diodes, and insulated gate bipolar transistors. This segment serves industrial motor drives and power conversion, automotive electronics, electric vehicle and related infrastructure, power supplies, data centers, telecommunications, medical devices, alternative energy, building and home automation, appliances, and mobile electronics markets. Its Automotive segment provides blade, resettable, and high-current and high-voltage fuses, as well as battery cable protectors for hybrid and electric vehicles fuses, switches, relays, and power distribution modules for the commercial vehicles and automotive sensor products to monitor passenger compartment occupants. This segment serves original equipment manufacturers, Tier-I suppliers, and parts distributors in the passenger car, heavy duty truck, off-road vehicles, material handling, agricultural, construction, and other commercial vehicle end markets. The company's Industrial segment offers power fuses, protection relays and controls, temperature sensors, and other circuit protection products for use in oil, gas, mining, renewables and energy storage, electric vehicle infrastructure, non-residential construction, HVAC systems, industrial safety, power conversion, elevators, and other industrial equipment. It sells its products through distributors, direct sales force, and manufacturers' representatives. Littelfuse, Inc. was founded in 1927 and is headquartered in Chicago, Illinois.