Tube-number record
TY 12-20A
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BrandMullard
ClassTriode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeExternal anode, forced air-cooled
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage13000 V
Plate Dissipation20000 W
Grid 1 Voltage-2000 V
Cathode Current5000 mA
Audio Performance
Power Output39000 W
Key Features
- Forced air-cooled
- External anode
- Thoriated tungsten filament
- Industrial RF heating application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Oscillator | 12000 V | 30000 | — | 21 | 4500 mA |
Application Notes
The filament current must never exceed a surge value of 280A at any time during the warming up period. Mounting position must be vertical with anode down.
Datasheets
Datasheet: TY12-20A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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