The JK16-400 PTC Fuse DIP RoHS manufactured by Yenji is an electronic component designed for over-current protection, particularly for DC power supplies in consumer electronics and medical applications. The component is a dual in-line package (DIP) with two poles, each featuring a positive temperature coefficient (PTC) fuse. The RoHS certification indicates that the component has been tested to comply with the EU directive on the Restriction of Hazardous Substances (RoHS) and is free of substances including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers. It is rated for 400 volts and up to 5 amps, with an operating temperature range of -40 to 125 degrees Celsius.