Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies in the Americas, Asia-Pacific, and Europe. The company operates through Electronic, Transportation, and Industrial segments. The Electronics segment offers fuses and fuse accessories, positive temperature coefficient resettable fuses, electromechanical switches and interconnect solutions, polymer electrostatic discharge suppressors, varistors, reed switch based 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 and diodes, and insulated gate bipolar transistors. This segment serves industrial motor drives and power conversion, automotive electronics, electric vehicle and related charging infrastructure, aerospace, power supplies, data centers, telecommunications, medical devices, alternative energy, building and home automation, appliances, and mobile electronics markets. The Transportation segment provides blade, resettable, and high-current and high-voltage fuses, as well as battery cable protectors; fuses, switches, relays, circuit breakers, and power distribution modules; and sensor products. This segment serves heavy-duty truck, construction, agriculture, material handling, and marine. The Industrial segment offers industrial fuses, protection relays, contactors, transformers, residual current devices, ground fault circuit interrupters, residual current monitors, arc fault detection devices, 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 factory automation. It sells its products through distributors, direct sales force, and manufacturers' representatives. Littelfuse, Inc. was founded in 1927 and is headquartered in Chicago, Illinois.
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