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

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3CX100A5 vacuum tube outline illustration

Tube-number record

3CX100A5

0 archive entries

3CX100A5 is a tube type in the TubeDatabase archive (class: Planar Triode). Recorded specifications: brand General Electric, construction Triode, socket Planar / disc seal, maximum plate voltage 1000 V, and maximum plate dissipation 100 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassPlanar Triode
BasePlanar / disc seal
Filament6 V @ 1 mA

Construction

Primary TypeTriode
EnvelopeMetal and Ceramic
SectionsSingle

Filament / Heater

Heater NotesOperation range 4.5V to 5.7V for CW, 5.7V to 6.0V for Pulse service.

Absolute Maximum Ratings

Plate Voltage1000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Average Characteristics600 V25000—10070 mA
Radio-Frequency Power Amplifier (500 MC)900 V———90 mA
Radio-Frequency Oscillator (2500 MC)1000 V———

Application Notes

Designed for grounded-grid CW oscillator, amplifier, or frequency multiplier service. Can be used as a plate-pulsed oscillator or amplifier at frequencies as high as 3000 megacycles.

Datasheets

Datasheet: 3CX100A5.pdf

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

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Manufacturers

Brands

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    Plate Dissipation100 W
    Grid 1 Voltage-150 V
    Cathode Current125 mA

    Audio Performance

    Key Features
    • Planar electrode construction
    • High plate dissipation capability
    • Excellent electrode isolation
    • Low radio-frequency losses
    • Shock resistant
    • Pulse rated
    90 mA