CV5809 pentode
 |
This valve measures 53x19mm overall and has a B9A base. |
This is a special quality, long life, shock and vibration resistant pentode for use as a wide band amplifier. It is equivalent to E810F.
| Heater voltage | 6.3V |
| Heater current | 340mA |
| Max anode voltage | 250V |
| Max anode dissipation | 5W |
| Max screen voltage | 200V |
| Max screen dissipation | 1W |
| Mutual conductance * | 50mA/V |
| Inner amplification factor | 57 |
*: At Va=135, Vg2=165, Ia=35mA
| Pin | Function |
| 1 | Cathode |
| 2 | Control grid |
| 3 | Cathode |
| 4 | Heater |
| 5 | Heater |
| 6 | Screen grid |
| 7 | Anode |
| 8 | Supressor grid and shield |
| 9 | Screen grid |
