Raytheon VT127 beam tetrode
 |
This valve measures 128x50mm
overall and has a Mazda Octal base. |
| Heater voltage |
4V |
| Heater current |
1.75A |
| Max anode voltage |
330V |
| Max screen voltage |
220V |
| Max anode dissipation |
20W |
| Max screen dissipation |
3W |
| Mutual conductance (Va=Vg2=100,
Vg1=0) |
8.5mA/V |
| Max peak anode voltage |
3000V |
| Capacitances |
| Cae |
22pF |
| Cge |
6pF |
| Cag |
1.25pF |
| Pin |
Function |
| 1 |
Heater |
| 2 |
Cathode |
| 3 |
n/c |
| 4 |
Screen grid |
| 5 |
Control grid |
| 6 |
n/c |
| 7 |
no pin |
| 8 |
Heater |
| TC |
Anode |
|
 |
