Bussmann FWC-25A10F, 25 Amp (25A) 600V, Fast Acting, 5AG Midget (10.3 mm x 38.1 mm) Bussmann FWC-25A10F, 25 Amp (25A) 600V 5AG Midget (10.3 mm x 38.1 mm) Fast Acting, Fast Blow