This 1206L450SLWR PTC resettable fuse from Littelfuse is an alternative to replacing burned out fuses. This device has a maximum current rating of 50. This resettable fuse has a minimum operating temperature of -40 °C and a maximum of 85 °C. It has 2 terminals. Mount your resettable fuse on a printed circuit board using surface mount technology to produce the most effective results. This product is 3.4(Max) mm long, 1.4(Max) mm tall and 1.8(Max) mm deep.