|
VT501A / 10E/784 beam tetrode
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This valve measures 103x34mm overall and has an octal
base |
| Heater voltage |
6.3V |
| Heater current |
800mA |
| Max anode voltage |
300V |
| Max screen voltage |
250V |
| Max anode dissipation |
7.5W |
| Max screen dissipation |
1/3W |
| Mutual conductance * |
3.5mA/V |
| Grid screen amplification factor |
6.7 |
| Capacitances |
| Cae |
2.6pF |
| Cge |
9.1pF |
| Cag |
0.4pF |
*: At Va=250, Vg2=135, Vg1=-11, Ia=30mA
| Pin |
Function |
| 1 |
n/c |
| 2 |
Heater |
| 3 |
Beam plates |
| 4 |
Control grid |
| 5 |
Screen grid |
| 6 |
No pin |
| 7 |
Heater |
| 8 |
Cathode |
| TC |
Anode |
|
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