The TND20V-270KB00AAA0 from Nippon Chemi Con is a Varistor with AC Voltage Rating 17 V, DC Voltage Rating 22 V, Clamping Voltage 53 V, Capacitance 28000 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for TND20V-270KB00AAA0 can be seen below.