The ZV 4 M 1206 151 from Bourns is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 14 V, Capacitance 3300 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ZV 4 M 1206 151 can be seen below.