Bel Fuse Inc. designs, manufactures, markets, and sells products that power, protect, and connect electronic circuits. The company's products are used in the networking, telecommunications, computing, general industrial, high-speed data transmission, military, commercial aerospace, transportation, and e-Mobility industries. It provides power solutions and protection products, including front-end power supplies, board-mount power products, industrial and transportation power products, external power products, and circuit protection products. The company offers connectivity solutions, such as expanded beam fiber optic connectors, cable assemblies, and active optical devices; copper-based connectors/cable assemblies; radio frequency connectors, cable assemblies, microwave devices, and low loss cables; and ethernet, I/O, and industrial and power connectivity products. In addition, it provides magnetic solutions comprising integrated connector modules, power transformers, SMD power inductors and SMPS transformers, and ethernet discrete components. The company sells its products through direct strategic account managers, regional sales managers working with independent sales representative organizations, and authorized distributors in the United States, the People's Republic of China, Macao, the United Kingdom, Slovakia, Germany, India, Switzerland, and internationally. Bel Fuse Inc. was incorporated in 1949 and is headquartered in West Orange, New Jersey.