Tube-number record
F-5666
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BrandFederal
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeWater-cooled Anode
Sections1
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation12500 W
Grid 1 Voltage-1500 V
Cathode Current7500 mA
Audio Performance
Power Output15000 W
Key Features
- Heavy wall anode design
- Water-cooled
- Pure tungsten filament
- Rugged construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Audio-Frequency Power Amplifier and Modulator - Class B | 7500 V | — | — | 21 | 3200 mA |
| Radio-Frequency Power Amplifier - Class C Telephony | 7500 V | — | — | 21 | 880 mA |
| Radio-Frequency Power Amplifier and Oscillator - Class C Telegraphy | 9000 V | — | — |
Application Notes
Designed for use as a radio-frequency amplifier, oscillator, or Class B modulator. Ruggedly constructed for industrial RF heating service.
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