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STC 4104D triode
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This valve measures 107x55mm overall and has a 4 pin base. |
The markings on the base of this valve are: STC, SY4104D, Australia.
| Filament current |
0.97A |
| Nominal filament voltage |
4.4V |
| Max anode voltage |
160V |
| Max anode dissipation |
5W |
| Mutual conductance * |
1.15mA/V |
| Amplification factor * |
2.3 |
| Anode impedance * |
2000 ohms |
| Capacitances |
| Cag |
5.9pF |
| Caf |
3.7pF |
| Cgf |
5.2pF |
*: At Ia=20mA
| Pin |
Function |
| 1 |
Filament |
| 2 |
Anode |
| 3 |
Grid |
| 4 |
Filament |
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