Cooper Bussmann 4A Radial F Non-Resettable Wire Ended Fuse, 250V ac. Body Material: Plastic. Body Length: 8.5mm. Body Width: 4.3mm. Body Height: 8.35mm. Wire Length: 4.8mm. Wire Pitch: 5.08mm. Breaking Capacity at Maximum Voltage Rating: 50 A @ 250 V ac. Minimum Operating Temperature: -40°C. Maximum Operating Temperature: +85°C. Wire Diameter: 0.6mm. MPN: SS-5F-4A-BK