VT46 / 10E/558 pentode
 |
This valve measures 155x65mm overall and has a B5 base. |
This is an indirectly heated triode.
| Filament voltage |
4V |
| Filament current |
2A |
| Max anode voltage |
500V |
| Max screen voltage |
400V |
| Max anode dissipation |
25W |
| Mutual conductance * |
6.5mA/V |
| Amplification factor * |
180 |
| Anode impedance * |
28k ohms |
| Max operating frequency |
20MHz |
| Capacitances |
| Cae |
25pF |
| Cge |
21pF |
| Cag |
1.7pF |
*: At Va=Vg2=400, Vg=-16
| Pin |
Function |
| 1 |
Anode |
| 2 |
Control grid |
| 3 |
Filament -ve and suppressor grid |
| 4 |
Filament +ve |
| 5 |
Screen grid |
|
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