CV1240 transmitting pentode
 |
This valve measures 185x50mm overall and has a 4 pin T4 base. |
This is a modified version of the PT15/VT140.
| Filament voltage | 4V |
| Filament current | 2.45A |
| 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 | Control grid |
| 2 | Filament |
| 3 | Screen grid |
| 4 | Filament |
| TC | Anode |
| Outer casing |
Suppressor grid |
