|
PT15 / VT104 / CV1104 pentode
 |
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 |
|