Fuse, 500 mA, 250V AC, Not Rated, GDB Series, Glass Fuse, Fast Acting, Body Style Cylindrical, Nonrejection, Interrupt Rating 35A at 250V AC, Fuse Size 20mm L x 5mm dia, Length 20 mm, Diameter 5 mm, Equivalent Brand and Series Bussmann GDB, Bussmann S500, Littelfuse 217, Mersen GSB, Equivalent Series 217, GDB, GSB, S500, Body Material Glass, Compatible Fuse Block Series HTB, Single Element, Standards CE, UL Guide JDYX2, Package Quantity 5