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

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RD200B vacuum tube outline illustration

Tube-number record

RD200B

0 archive entries

RD200B is a tube type in the TubeDatabase archive (class: Transmitting triode). Recorded specifications: brand TESLA, construction Triode, base metal/ceramic, socket 4-pin, maximum plate voltage 3500 V, and maximum plate dissipation 200 W. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassTransmitting triode
Base4-pin

Construction

Primary TypeTriode
Envelopeglass
Base Materialmetal/ceramic
Sections1

Filament / Heater

Materialthoriated tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF power amplifier class C telegraphy3000 V4400500022250 mA
AF push-pull power amplifier class B (values per tube)2500 V4400500022240 mA

Application Notes

Intended for use as a class B or C RF power amplifier or oscillator at frequencies up to 60 Mc/s, as well as a class A AF power amplifier. Can be powered by AC or unfiltered anode voltage in industrial generators.

Datasheets

Datasheet: RD200B.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Plate Voltage3500 V
    Plate Dissipation200 W
    Grid 1 Voltage-400 V
    Cathode Current275 mA

    Audio Performance

    Key Features
    • Direct heating
    • Thoriated tungsten cathode
    • Parallel feed