The TPV-F20N820KS from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 50 V, DC Voltage Rating 65 V, Clamping Voltage 135 V, Capacitance 4900 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for TPV-F20N820KS can be seen below.