This electronic part is a Carbon Film Resistor manufactured by Uniroyal. It has a rating of 510ohms ±5%, a 3 watt power rating, axial type, and is RoHS compliant. The CFR03SJ0511A20 meets all industry standards for high quality, reliable resistors. This resistor is designed to maintain a constant level of resistance over a wide range of temperatures, environments, and voltages. It is suitable for a variety of applications, ranging from general purpose use to high voltage, high current, and temperature or power cycling needs.