CV1129 / VR129 / 10E/307 HF pentode
 |
This valve measures 121x45mm
overall and has a 7-pin B7 base. |
| Heater voltage |
4V |
| Heater current |
1A |
| Max peak anode voltage |
4kV |
| Max screen voltage |
125V |
| Max anode dissipation |
3W |
| Max screen dissipation |
1W |
| Max grid resistance |
2M ohms |
| Mutual conductance * |
2.8mA/V |
| Anode impedance * |
600k ohms |
| Capacitances |
| Cae |
5.0pF |
| Cge |
12.0pF |
| Cag max |
0.02pF |
*: At Va=250, Vg2=125, Vg1=-2;
Ia=5.4mA.
| Pin |
Function |
| 1 |
n/c |
| 2 |
Control grid |
| 3 |
Suppressor grid |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Cathode |
| 7 |
Screen grid |
| TC |
Anode |
|
|
