Mfr: EPCOS - TDK Electronics Series: SuperioR Package: Bulk Product Status: Active Maximum AC Volts: 250 V Maximum DC Volts: 320 V Varistor Voltage (Min): 351 V Varistor Voltage (Typ): 390 V Varistor Voltage (Max): 429 V Current - Surge: 12 kA Energy: 250J Number of Circuits: 1 Mounting Type: Through Hole Package / Case: Disc 20mm Base Product Number: B72220S