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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-2840 vacuum tube outline illustration

Tube-number record

SC-2840

0 archive entries

SC-2840 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Sylvania, construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 2250 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRound Glass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater Notes0.6 Ampere nominal

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation1200 V————

Application Notes

Designed for compact analyzer equipment. Grid circuit resistance maximum 1.5 Megohms. Deflection circuit resistance maximum 5.0 Megohms.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage2250 V
    Grid 1 Voltage-220 V
    H-C Voltage140 V

    Audio Performance

    Key Features
    • Electrostatic focus
    • Electrostatic deflection
    • High brightness
    • Short length
    • Direct viewed