Introduction: OptiFuse was founded in 2000 and is headquartered in El Cajon, California. It is a manufacturer and marketer of overcurrent and overvoltage protection equipment. OptiFuse produces and sells products including: automotive and electronic fuses, resettable PTC fuses, industrial fuses, panel mounted, inline and PCB mounted fuse holders, fuse clips and blocks, fuse boxes, fuse accessories, thermal circuit breakers for automotive and line voltage applications, and thermal fuses.