Tube-number record
F-110-X
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BrandFederal Telephone and Radio Company
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeWater-cooled anode
SectionsSingle
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation25000 W
Grid 1 Voltage-5000 V
Cathode Current12500 mA
Audio Performance
Key Features
- Water-cooled anode
- Pure tungsten filament
- Radio-frequency power amplifier
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 10000 V | — | — | 40 | 2500 mA |
Application Notes
Maximum ratings apply up to 3 megacycles with operation permissible up to 20 megacycles at reduced ratings.
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