The RV30YN-20S-0B501 Potentiometer, manufactured by Tocos, is a multi-purpose electronic component with a 6mm shaft diameter and 500O resistance value. This potentiometer has a 1W power rating and a ±10% tolerance rating, and has a carbon element. The voltage rating for this component is 1kV, and it can withstand temperatures ranging from -10°C to 85°C. This potentiometer is designed for several different types of applications, such as circuit adjustment, voltage regulation, frequency selection, and signal processing.