The AUPO RF16-500F is an electronic part composed of an Fuse: PTC polymer rated at 5 Amps. The RF16 series is designed to provide overcurrent and short-circuit protection, and is made with a highly reliable and durable PTC polymer material. It also has a flame retardant housing for additional protection. The RF16-500F has a wide range of applications, such as power supplies, portable devices, automotive electronics, and medical devices. It is also RoHS compliant.