Littelfuse, Inc., a manufacturer and distributor of circuit protection, power control, and sensing products across the Asia-Pacific, the Americas, and Europe, operates across three key segments: Electronics, Transportation, and Industrial. The Electronics arm of the company supplies a range of fuses and fuse accessories, positive temperature coefficient resettable fuses, polymer electrostatic discharge suppressors, varistors, reed switch based magnetic sensing products, and gas discharge tubes. In addition, it also provides discrete transient voltage suppressor (TVS) diodes, TVS diode arrays, protection and switching thyristors, metal-oxide-semiconductor field-effect transistors and diodes, and insulated gate bipolar transistors to support industrial motor drives and power conversion, automotive electronics, electric vehicle and related infrastructure, aerospace, power supplies, data centers, telecommunications, medical devices, alternative energy, building and home automation, appliances, and mobile electronics markets. Meanwhile, the Transportation segment specializes in blade, resettable, and high-current and high-voltage fuses, and battery cable protectors, as well as switches, relays, circuit breakers, power distribution modules, and sensor products for commercial vehicles used in heavy-duty truck, construction, agriculture, material handling, and marine industries. Finally, the Industrial segment of Littelfuse offers industrial fuses, protection relays, contactors, transformers, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems, industrial safety, non-residential construction, MRO, mining, and industrial automation. The firm distributes across various channels including direct sales force, manufacturers' representatives, and distributors. Littelfuse, Inc. has its origins traced back to 1927 and is headquartered in Chicago, Illinois.