Specifications1. Name: 6Zh1P-EV2.Model: 6J1P-EV3. Size: 15x15x45(mm)4. Filament Voltage: 6.3V; Current: 0.17A5. Screen Voltage: 120V; Current: 7.35mA6. The Second Gate Voltage: 120V; Current: 3.2mA7. Trans-conductance: 5.2mA / V8. Cathode Resistance: 200 Euro9. Input Resistance:> 12KPackage Included:5PCS x 6J1P-EV Vacuum Tube Module