The TPV-T20N681KS from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 420 V, DC Voltage Rating 560 V, Clamping Voltage 1120 V, Capacitance 600 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for TPV-T20N681KS can be seen below.