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CV475 semi-remote cutoff pentode
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This valve measures 38x10mm overall and has an 8-lead B8D base |
This valve also carries the hand written markings VX7507 an 046014.
| Heater voltage | 6.3V |
| Heater current | 150mA |
| Max operating anode voltage | 165V |
| Max operating screen voltage | 155V |
| Max anode dissipation | 1.1W |
| Max screen dissipation | 0.55W |
| Max cathode current | 16.5mA |
Mutual conductance
(Va=Vg2=100, Rk=120 ohms) | 4.5 |
| Max heater-cathode voltage | +/-200V |
| Capacitances (measured with close fitting metal screen) |
| C in (nom) | 4.3pF |
| C out (nom) | 3.4pF |
| Cag (max) | 0.015pF |
| Lead | Function |
| 1 | Control grid |
| 2 | Cathode + suppressor grid |
| 3 | Heater |
| 4 | Cathode + suppressor grid |
| 5 | Anode |
| 6 | Heater |
| 7 | Screen grid |
| 8 | Cathode + suppressor grid |
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