The Littelfuse 20KPA48A is a fast-acting, high-current, 40A surface-mount circuit protection fuse designed for use in automotive, commercial, and industrial applications for protection of power distribution circuits, including electric vehicles. The 20KPA48A features a nickel-plated brass housing, HVP ceramic body material, and is 32V rated. Its fast-acting element provides protection to sensitive devices and circuits that are vulnerable to overcurrent surges. Its compact size allows it to easily fit in cramped applications, while its high current rating helps protect against damage from unexpected current overloads in extreme loads.