DIODE, ZENER, 1W, 3.9V, DO-41; Zener Voltage Vz Typ:3.9V; Power Dissipation Pd:1W; Diode Case Style:DO-41 (DO-204AL); Zener Tolerance ±:5%; No. of Pins:2Pins; Operating Temperature Max:200°C; Product Range:1N47xxA Series; Automotive Qualification Standard:-; SVHC:Lead (27-Jun-2018); Operating Temperature Min:-65°C; Operating Temperature Range:-65°C to +200°C; Power Dissipation Max:1W; Termination Type:Axial Leaded; Test Current:64mA