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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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CK7994 vacuum tube outline illustration

Tube-number record

CK7994

0 archive entries

CK7994 is a tube type in the TubeDatabase archive (class: SUBMINIATURE TRIODE). Recorded specifications: brand RAYTHEON, construction Triode, base Glass, socket Subminiature, maximum plate voltage 200 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandRAYTHEON
ClassSUBMINIATURE TRIODE
BaseSubminiature
Filament6.3 V @ 300 mA

Construction

Primary TypeTriode
EnvelopeT3 Glass
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesHeater-cathode type

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier100 V1800025004315 mA

Application Notes

The useful frequency range extends from low to very high frequencies. The flexible terminal leads may be soldered, or welded directly to the terminals of circuit components without the use of sockets.

Filters

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Manufacturers

Brands

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    Plate Voltage200 V
    Plate Dissipation2 W
    Cathode Current30 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Low noise
    • Low interelectrode capacitances
    • High transconductance
    • Flexible terminal leads
    • Wide band amplifier stages
    • Grounded-grid operation