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

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6946 vacuum tube outline illustration

Tube-number record

6946

0 archive entries

6946 is a tube type in the TubeDatabase archive (class: Premium Subminiature Medium-Mu Triode). Recorded specifications: brand Sylvania, construction Triode, base Subminiature Button, socket Subminiature, maximum plate voltage 250 V, and maximum plate dissipation 1.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassPremium Subminiature Medium-Mu Triode
BaseSubminiature
Filament6.3 V @ 175 mA

Construction

Primary TypeTriode
EnvelopeT3 (JEDEC 3-11)
Base MaterialSubminiature Button
SectionsSingle

Filament / Heater

Heater NotesTube life and reliability of performance are directly related to the degree of regulation of the heater voltage.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation100 V3800—16.59 mA

Application Notes

The 6946 is a general purpose medium-mu triode designed specifically for guided missile service at high altitudes and under severe conditions of mechanical shock and vibration.

Datasheets

Datasheet: 6946.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 Voltage250 V
    Plate Dissipation1.5 W
    Grid 1 Voltage-55 V
    Cathode Current15 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Guided missile service
    • Extraordinary freedom from interelement short circuits
    • High resistance to interelement leakage
    • Stable performance
    • Reliable operation under mechanical shock and vibration