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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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SC-3144 vacuum tube outline illustration

Tube-number record

SC-3144

0 archive entries

SC-3144 is a tube type in the TubeDatabase archive (class: Electrostatic Charge Printing Tube). Recorded specifications: brand Sylvania, construction Other / special, socket Duodecal, and maximum plate voltage 25000 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassElectrostatic Charge Printing Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeOther / special
EnvelopeGlass with Wire Array Printing Head
Sections1

Filament / Heater

Heater NotesCurrent tolerance is +/- 30 mA

Absolute Maximum Ratings

Plate Voltage25000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grid Drive Service10000 V———0.1 mA

Application Notes

Used in high speed printing equipment for developing permanent visual records from charge patterns on dielectric surfaces. Anode voltage of 20,000 volts dc recommended for high resolution.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Grid 2 Voltage700 V
    Grid 1 Voltage-155 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • High Speed Printing
    • High Resolution
    • Low capacitance between wire elements
    • Single line scanning