STC 3A/109B / CV1663 triode
 |
This valve measures 115x45mm
overall and has a 4 pin base. |
| Nominal filament voltage |
4.0V |
| Filament current |
250mA |
| Max anode voltage |
160V |
| Mutual conductance * |
3.0mA/V |
| Amplification factor * |
6 |
| Anode impedance * |
2000 ohms |
| Capacitances |
| Cag max |
10.0pF |
| Cge mac |
9.0pF |
| Cae max |
5.0pF |
*: At Va=130V, Vg=-8V
| Pin |
Function |
| 1 |
Anode |
| 2 |
Grid |
| 3 |
Filament - |
| 4 |
Filament + |
|
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