Bel Fuse 5St 250-R CARTRIDGE FUSE, TIME DELAY, 0.25A, 250V; Blow Characteristic:Time Delay; Fuse Current:250mA; Voltage Rating VAC:250V; Fuse Size Metric:5mm x 20mm; Fuse Size Imperial:0.2" x 0.79"; Product Range:5ST Series EUR 0.33 1