CV1941 / NR81 pentode
 |
This valve measures 112x36mm overall and has an octal base. |
| Heater voltage |
6.3V |
| Heater current |
300mA |
| Max anode voltage |
300V |
| Max screen voltage |
125V |
| Max anode dissipation |
2.75W |
| Max screen dissipation |
0.34W |
| Mutual conductance * |
1.45mA/V |
| Anode impedance * |
800k ohms |
| Anode current * |
7mA |
| Screen current * |
1.7mA |
*: At Va=250, Vg2=100, Vg1=-3
| Pin |
Function |
| 1 |
n/c |
| 2 |
Heater |
| 3 |
Anode |
| 4 |
Screen grid |
| 5 |
Suppressor grid |
| 6 |
no pin |
| 7 |
Heater |
| 8 |
Cathode |
| TC |
Control grid |
|
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