This 0603L050YR PTC resettable fuse from Littelfuse is ideal for low current and low voltage ratings. 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. Mount your resettable fuse on a printed circuit board using surface mount technology to produce the most effective results. This product is 1.8(Max) mm long, 1.55(Max) mm tall and 1(Max) mm deep.