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

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EF92 vacuum tube outline illustration

Tube-number record

EF92

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EF92 is a tube type in the TubeDatabase archive (class: PENTODE). Recorded specifications: brand Philips, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassPENTODE
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 200 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect by A.C. or D.C.; parallel supply

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
R.F. amplifier250 V2500—308 mA
R.F. amplifier250 V2500—308 mA

Datasheets

Datasheet: EF92.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 Dissipation2.5 W
    Grid 2 Voltage300 V
    Cathode Current12 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • PENTODE for use as R.F. amplifier
    • Parallel supply
    • Indirectly heated