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 |
|
