The LR1206-21R050F4 is a low-resistance and current sense resistor manufactured by RALEC. It is a 1206 RoHS (Restriction of Hazardous Substances) compliant, surface mount device, with a resistance of 0.05Ohms, and ±1% tolerance of 1Watts. The LR1206-21R050F4 is designed to be used in a variety of voltage, frequency, current, and temperature applications. It is capable of withstanding high temperatures, making it suitable for a wide range of environments. The LR1206-21R050F4 has wide range of power ratings and can handle up to 30 volts without additional cooling. It incorporates a low thermal coefficient which allows for high accuracy and stability over temperature. The resistor is also RoHS compatible, making it an environmental friendly product.