The AV 17 K 1210 401 from Bourns is a Varistor with AC Voltage Rating 17 V, DC Voltage Rating 20 V, Clamping Voltage 44 V, Capacitance 2000 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for AV 17 K 1210 401 can be seen below.