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

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GE18651 vacuum tube outline illustration

Tube-number record

GE18651

0 archive entries

GE18651 is a tube type in the TubeDatabase archive (class: Planar Triode). Recorded specifications: brand General Electric, construction Triode, base Metal, socket Planar / disc seal, maximum plate voltage 2500 V, and maximum plate dissipation 65 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassPlanar Triode
BasePlanar / disc seal
Filament6.3 V @ 550 mA

Construction

Primary TypeTriode
EnvelopeCeramic and Metal
Base MaterialMetal
Sections1

Filament / Heater

Heater NotesAC or DC operation

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Average Characteristics200 V22000—5821 mA
Plate-Pulsed Oscillator Service1500 V———1500 mA

Application Notes

Intended for use as a plate-pulsed oscillator or amplifier at frequencies up to 6000 megahertz. Designed primarily for zero bias operation in long life broadbanded amplifier chains.

Datasheets

Datasheet: GE18651.pdf

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

Filters

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Manufacturers

Brands

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    Plate Voltage2500 V
    Plate Dissipation65 W
    Grid 1 Voltage-100 V
    Cathode Current2000 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Ceramic and metal construction
    • Plate-pulsed oscillator or amplifier
    • Zero bias operation
    • Lengthened anode for circuit tuning