Tube-number record
F-5771
0 archive entries
F-5771 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Federal Telephone and Radio Corporation, year 1951, construction Triode, maximum plate voltage 15000 V, and maximum plate dissipation 22500 W. The archive does not yet hold a photographed example of this type.
BrandFederal Telephone and Radio Corporation
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass and Metal (Water-cooled)
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation22500 W
Grid 1 Voltage-1600 V
Cathode Current6800 mA
Audio Performance
Power Output55000 W
Key Features
- Water-cooled anode
- Thoriated tungsten filament
- Re-entrant anode design
- Minimized lead inductance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Audio Power Amplifier | 12500 V | — | — | 20 | 6400 mA |
| Class C Plate-Modulated RF Amplifier | 10000 V | — | — | — | 3800 mA |
| Class C RF Power Amplifier/Oscillator | 15000 V | — | — | — |
Application Notes
Particularly suitable for high-frequency applications up to 25 megacycles at full ratings, 50 megacycles at reduced ratings. Designed for use as radio-frequency amplifier, oscillator, or Class B modulator.
0 results