Tube-number record
TBW12/38
0 archive entries
TBW12/38 is a tube type in the TubeDatabase archive (class: RF Power Triode). Recorded specifications: construction Triode, socket Special / none, maximum plate voltage 12000 V, and maximum plate dissipation 20000 W. The archive does not yet hold a photographed example of this type.
ClassRF Power Triode
BaseSpecial / none
Construction
Primary TypeTriode
Envelopemetal-ceramic
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation20000 W
Audio Performance
Power Output39000 W
Key Features
- Water cooled
- Directly heated
- Thoriated tungsten filament
- Industrial RF applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Industrial RF oscillator, class-C | 12000 V | 22000 | — | 21 | 2000 mA |
Application Notes
The filament is designed to accept temporary fluctuations of +5% and -10%. For further data and curves please refer to type TBL12/38.
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