Thermal fuse and method of manufacturing fuse

摘要

A thermal fuse includes a fusible alloy including tin, a couple of lead conductors connected to both ends of the fusible alloy, respectively, and a surface layer on the lead conductors, respectively. The surface layer is made of tin or alloy including tin as main substance, and has a thickness not greater than 14 mum. The thermal fuse has a stable fusing temperature.