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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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862-A vacuum tube outline illustration

Tube-number record

862-A

0 archive entries

862-A is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand RCA, year 1945, 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.

BrandRCA
ClassTransmitting Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage20000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
A-F Power Amplifier & Modulator (Class B, 2 tubes)12000 V——4513000 mA
R-F Power Amplifier (Class B Telephony)18000 V———4200 mA
Plate Modulated R-F Power Amplifier (Class C Telephony)12000 V——

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Manufacturers

Brands

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    Plate Dissipation
    100000 W
    Grid 1 Voltage-3000 V
    Cathode Current10000 mA

    Audio Performance

    Power Output90000 W
    Key Features
    • Water and forced-air cooled
    • Tungsten filament
    • Suitable for high power transmitters
    • High amplification factor
    —
    5000 mA
    R-F Power Amplifier & Oscillator (Class C Telegraphy)18000 V———8330 mA