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

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3DJ3 vacuum tube outline illustration

Tube-number record

3DJ3

0 archive entries

3DJ3 is a tube type in the TubeDatabase archive (class: High-Voltage Rectifier). Recorded specifications: brand General Electric, construction Diode, base Glass, socket Octal, and maximum plate voltage 30000 V. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassHigh-Voltage Rectifier
BaseOctal
Filament3.15 V @ 300 mA

Construction

Primary TypeDiode
Rectifier TypeVacuum High-Voltage
EnvelopeT-9
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Tube Voltage Drop70 V———7 mA

Application Notes

Specifically designed for color television receivers to supply high-voltage to the anode of the picture tube. Features a diffusion bonded cathode to minimize back-emission from the anode.

Datasheets

Datasheet: 3DJ3.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage30000 V
    Cathode Current2 mA

    Audio Performance

    Key Features
    • Diffusion bonded cathode
    • X-radiation shielding
    • Built-in X-radiation controls
    • Unipotential Cathode