This JK16-500 is an electronic part manufactured by Yenji. It is a positive temperature coefficient (PTC) fuse that has a dual inline plastic packaging (DIP) and is certified as RoHS compliant. The product is used as an overcurrent and short-circuit protection device in several applications. It is designed with a metal or plastic body that contains a Perfluoroalkoxy (PFA) material, that melts and disconnects an electric circuit when an overcurrent is detected. The JK16-500 has a current rating of 0.500A and a voltage rating of 250VAC. This product is suitable for use in home appliances that require high overload protection.