The Schurter 4430.1379 is a snap-in fuse with an electronic component protection rating. It is a small, 5 x 20 mm (¼ x ¾ inch) sized device, with a variety of features such as neon indicators, ceramic tube filled with liquid, and compliant with IEC/VDE/UL standards. It is designed to provide quick and reliable protection to electronic circuits against excess current fluctuations. It is approved for use with a variety of systems, including medical devices, and industrial applications. The housing is made of black Thermoplastic UL94V-0 to help provide optimal heat dissipation and conform to international UL standards. It also features high impact resistance, which helps provide safety and reliability in a variety of operating conditions. With a current rating of 6.3A @ 250VAC (8A @ 250VAC for 5x20mm), the 4430.1379 is an ideal choice for a variety of electrical applications.