1629 / VT138 tuning indicator
 |
This valve measures 110x28mm overall and has an octal base |
| Heater voltage |
12.6V |
| Heater current |
150mA |
| Max anode voltage |
250V |
| Max target voltage |
250V |
| Typical operating conditions |
| Anode voltage |
250V |
| Target voltage |
250V |
| Target current |
4mA |
| Grid current |
0.24mA |
| Grid voltage for 0 degree shadow angle |
-8V |
| Grid voltage for 90 degree shadow angle |
0 |
| Pin |
Function |
| 1 |
n/c |
| 2 |
Heater |
| 3 |
Anode |
| 4 |
Target |
| 5 |
Grid |
| 6 |
no pin |
| 7 |
Heater |
| 8 |
Cathode |
|
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