The MF-MSMF250/16X-2 is a surface mountable PTC Resettable Fuse with standard metal termination finish is electroless nickel immersion gold (ENIG). This MF-MSMF series fuse is 100% electrically compatible with all previous generations of 1812 SMT devices. It is compatible with solder reflow profiles. For use with hard disk drives, PC motherboards, PC peripherals, point of sale equipment, PCMCIA cards, USB ports. Operating temperature ranges from -40°C to +85°C.