Bel Fuse Inc. designs, manufactures, and sells products used in the networking, telecommunication, high-speed data transmission, commercial aerospace, military, broadcasting, transportation, automotive, medical, and consumer electronic industries worldwide. The company offers magnetic products, such as MagJack integrated connector modules that provide signal conditioning, electromagnetic interference suppression, and signal isolation for networking, telecommunications, and broadband applications; power transformer products for use in alarm, security, motion control, elevator, medical products, and other industries; and discrete magnetic components, including transformers and chokes for use in networking, telecommunications, and broadband applications. It also provides modules comprising power conversion products, such as AC-DC power supplies, DC-DC converters, and battery charging solutions; and integrated modules, which condition, filter, and isolate the electronic signal for data/voice/video transmission. In addition, the company offers circuit protection devices, including board level fuses and polymeric positive temperature coefficient devices for use in products comprising televisions, consumer electronics, power supplies, computers, telephones, and networking equipment. Further, it provides interconnect products, such as RJ45 and RJ11 passive jacks that are primarily used as a connectivity device in routers, hubs, switches, and patch panels; modular plugs; Ethernet and custom cable assemblies; I/O interconnects; fiber optic connectors and cable assemblies; compression interconnects; and custom modular enclosures for use in various industries. The company sells its products through direct strategic account managers; regional sales managers working with independent sales representative organizations; or authorized distributors. Bel Fuse Inc. was founded in 1949 and is headquartered in Jersey City, New Jersey.