The JK600-160U is a PTC (positive temperature coefficient) Fuse DIP (dual in-line package) RoHS (Restriction of Hazardous Substances) manufactured by Yenji. It is a two-leg, 470 mA, 4.3 differential voltage thermal protection device with a resettable fuse that provides short circuit protection. It is designed to protect devices from over-current and excess temperature resulting from shock or delay in current dissipation. The low-profile, space-saving package has a maximum width of 4.5mm, and tolerates up to 260°C temperatures. It meets the RoHS directive, and is certified for use in a variety of electronics.