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

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7244 vacuum tube outline illustration

Tube-number record

7244

0 archive entries

7244 is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand SYLVANIA, construction Triode, base Miniature Button, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.

BrandSYLVANIA
ClassDouble Triode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ — mA

Construction

Primary TypeTriode
EnvelopeT-5 1/2
Base MaterialMiniature Button
SectionsDouble

Filament / Heater

Heater NotesHeater current value missing from source text

Absolute Maximum Ratings

Application Notes

The reliable Type 7244 is characterized by long life and stable performance under conditions of severe shock, vibration, high temperature and high altitude.

Datasheets

Datasheet: 7244.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 Voltage300 V
    Plate Dissipation1.1 W
    Cathode Current12.5 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Reliable
    • Stacked mount design
    • Frame type grid construction
    • Long life
    • Stable performance
    • Severe shock resistant
    • High temperature resistant
    • High altitude resistant