Bel Fuse, Inc. engages in the design, manufacture, and marketing of products that power, protect, and connect electronic circuits. It operates through the following geographical segments: North America, Asia, and Europe. Read More Its products include magnetic, power transformers, modules, circuit protection, fiber optic connectors, and interconnect devices. The company was founded by Elliot Bernstein in 1949 and is headquartered in Jersey City, NJ.