Fuse, 500 mA, 250V AC, Not Rated, GDA Series, Nonindicating, Fast Acting, Body Style Cylindrical, Nonrejection, Interrupt Rating 1.5kA at 250V AC, Fuse Size 20mm L x 5mm dia, Length 20 mm, Diameter 5 mm, Equivalent Brand and Series Bussmann GDA, Bussmann S501, Littelfuse 216, Mersen GSD, Equivalent Series 216, GDA, GSD, S501, Body Material Ceramic, Compatible Fuse Block Series HTB, Single Element