The TND20SV681KB00AAA0 from Nippon Chemi Con is a Varistor with AC Voltage Rating 420 V, DC Voltage Rating 560 V, Clamping Voltage 1120 V, Capacitance 830 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for TND20SV681KB00AAA0 can be seen below.