Tube-number record
F-862-A
0 archive entries
F-862-A is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Federal Telephone and Radio Corporation, year 1949, construction Triode, socket Special / none, maximum plate voltage 20000 V, and maximum plate dissipation 100000 W. The archive does not yet hold a photographed example of this type.
BrandFederal Telephone and Radio Corporation
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass and Metal (Water-cooled)
SectionsSingle
Filament / Heater
MaterialPure tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radio-Frequency Power Amplifier and Oscillator—Class C Telegraphy | 18000 V | — | — | 45 | 8330 mA |
| Plate-Modulated Radio-Frequency Power Amplifier—Class C Telephony | 12000 V | — | — | 45 | 5000 mA |
| Audio-Frequency Power Amplifier and Modulator—Class B | 12000 V | — | — |
Application Notes
Engineered for use as a radio-frequency amplifier, oscillator, or as a Class B modulator. Maximum ratings apply up to 1.6 megacycles.
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