The SRF1812P050 is a resettable fuse manufactured by PROSEMI that is RoHS-compliant. It is rated at 15V, 500mA, 40A, 800mW, 1A, 150mO, 0.15s, and 1O. It is a surface mount component with dimensions of 1.8 MM X 1.2 MM X 0.5 mm. It has temperature and current capabilities that allow it to be used in a variety of applications, from circuit protection to overvoltage conditioning. Its compact size disguises its robust protection. It is ideal for keeping systems and components safe from short circuits and current surges.