METAL OXIDE VARISTOR, 320V, 630V, 23MM D; METAL OXIDE VARISTOR, 320V, 630V, 23MM DISC; Peak Surge Current @ 8/20µS:6.5kA; Clamping Voltage Vc Max:630V; Peak Energy (10/1000uS):129J; Voltage Rating VDC:320V; Voltage Rating VAC:250V; Operating Temperature Range:-40°C to +85°C