The ZV 30 K 2220 122 from Bourns is a Varistor with AC Voltage Rating 30 V, DC Voltage Rating 38 V, Clamping Voltage 77 V, Capacitance 4000 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ZV 30 K 2220 122 can be seen below.