1/2W 24mm 500k Ohm Linear Taper Potentiometer Features Shaft diameter: 0.250 in Shaft length: 0.335 in Shaft type: D Rated Voltage: 500V Rotation angle: 300 (A 5%) Withstanding Voltage for 1 minute: 500VAC Termination Style: Solder Lug Tolerance: 20%