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 |
