TY12-50A
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BrandMullard
ClassR.F. Power Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal (Forced-air cooled)
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation45000 W
Grid 1 Voltage-1200 V
Cathode Current15000 mA
Audio Performance
Power Output202000 W
Key Features
- Thoriated tungsten filament
- Forced-air cooling
- Anode dissipation of 45 kW
- High-power industrial application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy (15 Mc/s) | 12000V | 50000 | - | 27 | 12000mA |
| Class C Anode Modulation (15 Mc/s) | 10000V | 50000 | - | 27 | 8500mA |
| Class B A.F. Push-Pull (per valve) | 12000V | - | - | 27 | 12000mA |
Application Notes
Filament current is shared between three terminals; connections must be secure to prevent glass seal failure from excessive heating.
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