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

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D2F vacuum tube outline illustration

Tube-number record

D2F

0 archive entries

D2F is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Philips, construction Pentode, socket Special / none, maximum plate voltage 250 V, and maximum plate dissipation 1.8 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassPower Pentode
BaseSpecial / none

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialDirectly heated

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode250 V340050000—10 mA

Application Notes

Specifically designed for portable transceivers; usable in every stage of a transceiver. D12F is the version without the hand grip.

Datasheets

Datasheet: D2F.pdf

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

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    Plate Dissipation
    1.8 W
    Grid 2 Voltage250 V
    Cathode Current20 mA

    Audio Performance

    Typical THD2.5%
    Power Output3.5 W
    Key Features
    • Small size
    • Robust construction
    • Light weight
    • Operates down to 3 metres
    • Hand grip (D2F version)