The JK-SMD1210-020/30V is a resettable fuse manufactured by Jinrui Electronic Materials. It has a voltage rating of 30V, current rating of 200mA, power rating of 100A, and maximum surge current rating of 400mA. It is packaged in a 1210 SMD package, and is RoHS compliant. This component is ideal for circuit protection in electronic designs requiring high levels of reliability and safety.