BTL 50-3
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BrandBrown Boveri
ClassAir-Cooled Transmitting Triode
Construction
Primary TypeTriode
EnvelopeMetal/Ceramic/Glass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation45000 W
Grid 1 Voltage-1500 V
Cathode Current130000 mA
Audio Performance
Power Output220000 W
Key Features
- Directly heated
- Forced air cooling
- High power industrial and broadcast use
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Power Amplifier (2 tubes) | 15000V | 100000 | - | 45 | 20000mA |
| Class C R.F. Amplifier Unmodulated | 15000V | 100000 | - | 45 | 14500mA |
Application Notes
The BTL50-3 replaces the BTL50-1 without modification. Mounting position is vertical, anode downwards.
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