The MF-SM050-2 is a high current resettable fuse manufactured by Bourns. It features a metal-oxide (PPTC) construction that allows it to be rated for up to 60 volts and 40 amps. This fuse has a distinct trip level of 1 ampere and a hold current of 0.5 ampere. This robust design contributes to its use in a variety of different applications such as computers, telecommunications, consumer electronics, and automotive. Bourns' metal-oxide construction makes their fuses resistant to thermal and electrical stresses which can reduce their impact on performance or reduce operational life due to excessive heat. This MF-SM050-2 resettable fuse is simple to use and provides reliable performance for a variety of different applications.