The MF-R050 positive temperature coefficient device from Bourns is an automatically resetting fuse. This part has a lead diameter of 0.51 mm. This device has a maximum current rating of 40. This resettable fuse has a minimum operating temperature of -40 °C and a maximum of 85 °C. It has 2 terminals. This product's terminal pitch is 5.1(nom) mm. This product is 3.1(Max) mm deep.