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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-3875 vacuum tube outline illustration

Tube-number record

SC-3875

0 archive entries

SC-3875 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Short Small Shell Duodecal 6-Pin, socket CRT base (B12 family), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.

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

Construction

Primary TypeDisplay / CRT
Envelope19-inch Round Gray Filter Glass
Base MaterialShort Small Shell Duodecal 6-Pin
SectionsSingle gun with electrostatic character writing plates

Filament / Heater

Heater Notes6.3V +/- 10% heater current

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grid Drive Service15000 V————

Application Notes

Intended for simultaneously photographing the electron image or for optical projection of overlay information for comparator applications.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage18000 V
    Grid 2 Voltage700 V
    Grid 1 Voltage-180 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Rear Viewing Window
    • Ophthalmic Quality Window
    • Electrostatic Focus
    • Magnetic Deflection
    • Electrostatic Character Writing
    • Single Ion Trap
    • Gray Filter Glass Faceplate