Tube-number record
8119
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8119 is a tube type in the TubeDatabase archive (class: RF Power Triode). Recorded specifications: construction Triode, base Metal, socket Coaxial, maximum plate voltage 2200 V, and maximum plate dissipation 400 W. The archive does not yet hold a photographed example of this type.
ClassRF Power Triode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialMetal
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage2200 V
Plate Dissipation400 W
Grid 1 Voltage-300 V
Audio Performance
Key Features
- Thoriated tungsten filament
- Industrial oscillator class C
- Grounded grid circuit
- Air cooled
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics (Static) | 2000 V | 10000 | — | 33 | 200 mA |
| RF Class C Oscillator (470 MHz) | 2000 V | — | — | — | 380 mA |
| RF Class C Oscillator (810 MHz) | 1800 V | — | — | — |
Application Notes
The required quantity of air is independent of the anode dissipation and the frequency. Mounting position: vertical with the anode up or down.
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