The electronic part 31TC4A250V with Cartridge Fuses Axial,3.6x10mm RoHS manufactured by Hongda is a 250V, 4A, fast-blow, glass tube fuse. It is an axial-leaded fuse that is 3.6x10mm in size and is certified to RoHS compliance, which ensures that hazardous materials and substances are not used in the product. It is typically used in medium power applications such as lighting circuits, motors, pumps, TVs, radios, and other consumer appliances.