PT15 / VT104 / CV1104 pentode
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This valve measures 185x50mm overall and has a 5-pin B5 base. |
Two of these valves were used as the RF PA in the famous T1154 transmitter of WWII. See also CV1240 which is a modified version.
| Filament voltage | 6V |
| Filament current | 1.3A |
| Max anode voltage | 1250V |
| Max screen voltage | 300V |
| Max anode dissipation | 30W |
| Mutual conductance (Va=1kV; Vg2=300V; Ia=40mA) |
3.1mA/V |
| Capacitances | |
| Cae | 14.0pF |
| Cge | 21.7pF |
| Cag max. | 0.11pF |
| Pin | Function |
| 1 | Screen grid |
| 2 | Control grid |
| 3 | Filament |
| 4 | Filament |
| 5 | Suppressor grid |
| TC | Anode |
