The JK SMD1210-050-30V PTC Resettable Fuses 1210 RoHS manufactured by Jinrui Electronic Materials is a surface-mountable Polyfuse. It is a bidirectional device, containing two PTCs of 50 Ohms resistance for each direction, designed to offer a reliable overcurrent protection in various DC/DC power supplies and other applications. The package size is 1210 and it has a rated voltage of 30V. This product is RoHS compliant and ideal for a wide range of DC/DC applications, including medical, consumer electronics, automotive, transportation and power supply.