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CV2968 / 7F8 double triode
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This valve measures 52x30mm overall and has a B8G base |
| Heater voltage | 6.3V |
| Heater current | 300mA |
| Max heater-cathode voltage | 90V |
| Max anode voltage | 300V |
| Max +ve DC grid voltage | 0V |
| Max anode dissipation * | 3.5W |
| Max grid circuit resistance | 500k ohms |
| Capacitances (with shield connected to cathode) |
| Cag (each side) | 1.7pF |
| Cin (each side) | 2.8pF |
| Cout (each side) | 1.4pF |
| Cg-g (max) | 0.1pF |
| Ca-a (max) | 0.4pF |
| Chk (each side) | 2.8pF |
*: Max allowed for a single anode or total for both anodes simultaneously
| Pin | Function |
| 1 | Grid ' |
| 2 | Heater |
| 3 | Anode ' |
| 4 | Cathode ' |
| 5 | Cathode " |
| 6 | Anode " |
| 7 | Heater |
| 8 | Grid " |
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