CV419 triode
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This valve measures 135x45mm overall and has a 4 pin base |
This is a transmitting triode with a thoriated tungsten filament, suitable for use as an oscillator or HF amplifier at frequencies up to 120MHz. It must be mounted vertically.
| Filament voltage | 5V |
| Filament current | 4A |
| Max anode voltage | 2kV |
| Max anode dissipation | 50W |
| Max grid current | 35mA |
| Amplification factor * | 32.5 |
| Mutual conductance * | 2.55mA/V |
| Capacitances | |
| Cag | 1.7pF |
| Cak | 0.17pF |
| Cgk | 4.6pF |
(Above data is for DET18, which the CV Register shows as being a close equivalent)
*: At Va=1000, Ia=35mA.
| Pin | Function |
| 1 | Filament |
| 2 | n/c |
| 3 | Grid |
| 4 | Filament |
| TC | Anode |
The locating pin is between pins 2 and 3
