The BK60-090-DI-E0.5 is a through-hole, RoHS-compliant, polymeric positive temperature coefficient (PTC) resettable fuse manufactured by Yageo. It is a general-purpose subminiature resettable fuse that features a UL 94V-0 flammability rating, low profile, quick response times, and limited temperature dependence. Its maximum rated current is 90mA, with a maximum environmental temperature of 105°C. Additionally, it offers overcurrent protection, overvoltage protection, and short circuit protection in numerous small-space applications.