The JK30-300 with PTC Fuse DIP RoHS is an electronic part manufactured by Yenji. It is a surface-mounted polyester-temperature compensated (PTC) Fuse with a carrier size of 3.6 x 5.58 mm. The fuse features high current-handling ability and low contact resistance. It has a low operating temperature of -40°C to 85°C, and a high insulation resistance of 100MO at 500V DC. Additionally, it is RoHS compliant and lead-free, making it safe and environmentally friendly.