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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

3BDP-

0 archive entries

3BDP- is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Du Mont, construction Display / CRT, base Plastic, socket CRT base (B12 family), maximum plate voltage 2750 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1

Filament / Heater

Heater NotesHeater current 0.6 A at 6.3 V

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation (1000V Accelerator)1000 V————
Typical Operation (2000V Accelerator)2000 V————

Application Notes

Designed for small, light weight oscillograph applications. Replacement for the 3SP-.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage2750 V
    Plate Dissipation6 W
    Grid 2 Voltage1100 V
    Grid 1 Voltage-200 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • 3 x 1 1/2-Inch rectangular face
    • Electrostatic deflection
    • Electrostatic focus
    • Rigid gun structure
    • Pressed faceplate