The GMA-500-R is a fast-acting, 5x20mm glass tube fuse designed for overcurrent protection. It is rated for 500mA and 250Vac, featuring a nickel-plated brass endcap construction. This fuse has interrupting ratings of 35A at 250Vac and 10,000A at 125Vac. Key electrical characteristics include a typical DC cold resistance of 0.454 Ω, a maximum voltage drop of 230 mV, and a typical pre-arc I²t of 0.15 A²s. Designed to UL/CSA 248-14 standards, it is ideal for protecting a wide variety of electronic circuits.