B72207S0321K101 EPCOS VARISTOR, METAL OXIDE, 840V, DISC 9MM; Product Range:B722 StandarD Series; Voltage Rating V DC:420V; Peak Surge Current @ 8/20μs:1.2kA; Varistor Case Style:Disc 9mm; Varistor Type:Metal Oxide Varistor (MOV); Clamping Voltage Vc Max:840V; Peak Energy (10/