The RV202YN-15S-0B202 is a potentiometer manufactured by Tocos, a Japanese electronics company. It has a 6-millimeter shaft, a resistance of 2 kilohms, a wattage of 250 milliwatts, a tolerance of ± 10%, a resistance material of carbon, a voltage of 1 kilovolt, and a temperature range of -10 to 85°C. It is used for a range of applications including volume control, as a position sensor, and as a linear variable resistor.