RS PRO Surface Mount FuseThe RS PRO square ceramic non-resettable surface mount fuse has a voltage rating of 250V and current rating of 4A. It has a square cap of 3.10mm ± 0.20mm, a ceramic tube of 2.65mm ± 0.20mm and overall size of 10.10mm ± 0.40mm. It has a non-transparent ceramic tube body that does not allow breaking or deformation. The fuse is used in portable EV chargers, cooling fan systems, battery management systems, and notebook PCs.Features and Benefits• Operating temperature ranging between -55°C and 125°C• Two gold-plated brass end caps for good conductivity• Nominal resistance ranging between 0.0110ohms and 0.0205ohmsApplications• Wireless base stations• Telecommunication and networking equipment• Industrial equipment• Medical equipmentCertifications• ANSI/ESD S20.20:2014• BS EN 61340-5-1:2007