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

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6FD7 vacuum tube outline illustration

Tube-number record

6FD7

0 archive entries

6FD7 is a tube type in the TubeDatabase archive (class: Dissimilar section double triode). Recorded specifications: brand Philco, construction Dual triode, base integral wafer base, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.

BrandPhilco
ClassDissimilar section double triode
BaseNoval (B9A)
Filament6.3 V @ 925 mA

Construction

Primary TypeDual triode
EnvelopeT-9
Base Materialintegral wafer base
Sections2 dissimilar sections

Filament / Heater

Heater NotesParallel operation

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Section 1 - Oscillator250 V120053000641.1 mA
Section 2 - Amplifier150 V7500800640 mA

Application Notes

Intended for vertical deflection oscillator and amplifier applications in television receivers.

Datasheets

Datasheet: 6FD7.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 Voltage330 V
    Plate Dissipation10 W
    Cathode Current40 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • T-9 bulb for increased heat dissipation safety margin
    • Wafer base