The TND20V-331KB00AAA0 from Nippon Chemi Con is a Varistor with AC Voltage Rating 210 V, DC Voltage Rating 270 V, Clamping Voltage 545 V, Capacitance 1700 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for TND20V-331KB00AAA0 can be seen below.