This is a through hole, RoHS compliant fuse with leads manufactured by Littelfuse that has the part number 047301.5YRT1L. It is designed to protect electrical circuits by providing a predetermined low level of electrical current, and is used to safeguard equipment against excessive current. The fuse features a fast-acting, low-resistance, ceramic body construction, and has a rated operating voltage of 250 VAC. The fuse has lead wires, making it suitable for direct soldering onto a circuit board or other components, and is ideal for use in applications such as power supplies, motors, lighting, and communication systems.