Bel Fuse Inc. designs, manufactures, and markets a range of products that protects and connects electronic circuits. It operates through three segments: Cinch Connectivity Solutions, Power Solutions and Protection, and Magnetic Solutions. Its Cinch Connectivity Solutions segment offers a line of copper and optical fiber connectors and integrated assemblies, which provide connectivity for a range of applications across multiple industries. Its Power Solutions and Protection segment offers internal and external alternating current/direct current electricity (AC/DC) power supplies, DC/DC converters, DC/AC inverters, board level fuses, and Polymeric PTC (Positive Temperature Coefficient) devices, designed for the global electronic and telecommunication markets. Its Magnetic Solutions segment offers integrated connector modules (ICMs), power transformers, surface-mount device (SMD) power inductors and switched-mode power supply (SMPS) transformers, and discrete components-telecom.