The OV 30 K 155 MX 801 from Bourns is a Varistor with AC Voltage Rating 30 V, DC Voltage Rating 38 V, Clamping Voltage 77 V, Capacitance 1500 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for OV 30 K 155 MX 801 can be seen below.