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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-3369 vacuum tube outline illustration

Tube-number record

SC-3369

0 archive entries

SC-3369 is a tube type in the TubeDatabase archive (class: Character Writing Tube). Recorded specifications: brand Sylvania, construction Display / CRT, base Glass, socket Special / none, maximum plate voltage 15000 V, and maximum plate dissipation 8 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassCharacter Writing Tube
BaseSpecial / none
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ127B
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater Notes0.6 Ampere +/- 10%

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Character Generation12000 V————

Application Notes

Two pairs of electrostatic deflection plates are provided for character generation while character positioning is by means of magnetic deflection. The electrostatic deflection plates are designed to form a 1/4 inch square raster.

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Manufacturers

Brands

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    Plate Voltage15000 V
    Plate Dissipation8 W
    Grid 2 Voltage700 V
    Grid 1 Voltage-300 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Character Writing Tube
    • All glass cathode ray tube
    • Electrostatic and Magnetic Deflection
    • Electrostatic Focus
    • Aluminized Screen
    • P7 Phosphor (Blue/Yellow)