TBL 12/100
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BrandPHILIPS
ClassTriode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass and Metal (Forced Air Cooled)
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation45000 W
Grid 1 Voltage-1200 V
Cathode Current12000 mA
Audio Performance
Key Features
- Forced air cooling
- Thoriated tungsten filament
- High power HF/LF operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. class C telegraphy | 12000V | 50000 | - | 27 | 12000mA |
| H.F. class C anode modulation | 10000V | - | - | - | 10500mA |
Application Notes
Mounting position: vertical with anode down. Seal temperature must not exceed 180 C. Special attention to cooling above 6 MHz.
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