UNEThis part is a 2512 size current sense resistor/shunt resistor manufactured by FORTUNE and is coded CUM2512-34FR005. It is a RoHS compliant device, meaning it is free of hazardous substances like Lead, Mercury, Cadmium, Hexavalent Chromium, and PBB/PBDE Flame Retardants. These resistors are usually used to measure and monitor current in order to protect the circuit, usually used in power applications such as switching power supplies and battery chargers. This particular resistor has an operating temperature of -55 to 125 °C, a maximum power dissipated of 1W, and a resistance value of 0.33 ohms. The package is a SIP4 form factor with 4 pins for easy integration into any circuit.