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

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5768 vacuum tube outline illustration

Tube-number record

5768

0 archive entries

5768 is a tube type in the TubeDatabase archive (class: Planar Triode). Recorded specifications: brand Sylvania, construction Triode, socket Planar / disc seal, maximum plate voltage 350 V, and maximum plate dissipation 4 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassPlanar Triode
BasePlanar / disc seal
Filament6.3 V @ 400 mA

Construction

Primary TypeTriode
EnvelopePlanar
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated cathode

Absolute Maximum Ratings

Plate Voltage350 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Characteristics180 V4500—854 mA
Grounded Grid Amplifier, 3000 mc150 V———7 mA

Application Notes

The Sylvania Type 5768 is designed for service as a grounded grid amplifier at frequencies up to 3000 mc and may be used with a tuned or untuned input and tuned coaxial line output. Frequency ratios of about 4 to 1 for continuous tuning can be obtained up to 1000 mc with no dead spots.

Datasheets

Datasheet: 5768.pdf

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

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    Plate Dissipation4 W

    Audio Performance

    Key Features
    • Stretched, parallel-wire grid
    • Stable, uniform operation
    • Unique cathode design
    • Disc-seal type construction
    • Low lead inductance