CV303 variable-µ HF pentode
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This valve measures 78x32mm overall and has an 8 pin base. |
| Heater voltage | 6.3V |
| Heater current | 200mA |
| Max anode voltage, Ia=0 | 550V |
| Max anode voltage | 300V |
| Max cathode current | 10mA |
| Max anode dissipation | 2W |
| Max screen voltage, Ia<3mA | 300V |
| Mutual conductance * | 2.2mA/V |
| Internal resistance * | 1.2M ohms |
| Max screen dissipation | 300mW |
| Capacitances | |
| Cag | <0.002pF |
| Cae | 6.4pF |
| Cg1e | 5.5pF |
| Cg1h | <0.004pF |
| Pin | Function |
| 1 | Heater |
| 2 | Anode |
| 3 | Screen grid |
| 4 | Suppressor grid and shield |
| 5 | n/c |
| 6 | Control grid |
| 7 | Cathode |
| 8 | Heater |
| Spigot | Metal shell |
