Bel Fuse Inc. designs, manufactures, markets, and sells products that are used in the networking, telecommunication, high-speed data transmission, commercial aerospace, military, broadcasting, transportation, and consumer electronic industries in the United States, Macao, the United Kingdom, Slovakia, Germany, Switzerland, and internationally. It offers magnetic products, such as integrated connector modules; power transformers; SMD power inductors and SMPS transformers; and telecom discrete components. The company also provides power solutions and protection products comprising front-end power supplies; board-mount power products; industrial power products; external power products; module products; and circuit protection products. In addition, it offers connectivity solutions, which includes 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 RJ and USB connectors, and cable assemblies. The company sells its products under the Bel, TRP Connector, MagJack, Signal, Bel Power Solutions, Melcher, CUI, Stratos, Fibreco, Cinch, Johnson, Trompeter, Midwest Microwave, Semflex, and Stewart Connector brands through direct strategic account managers, regional sales managers working with independent sales representative organizations, and authorized distributors. Bel Fuse Inc. was founded in 1949 and is headquartered in Jersey City, New Jersey.