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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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CK5639WA vacuum tube outline illustration

Tube-number record

CK5639WA

0 archive entries

CK5639WA is a tube type in the TubeDatabase archive (class: Reliable Subminiature Pentode). Recorded specifications: brand Raytheon, year 1959, construction Pentode, base Glass, socket Subminiature, maximum plate voltage 250 V, and maximum plate dissipation 3.5 W. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassReliable Subminiature Pentode
BaseSubminiature
Filament6.3 V @ 450 mA

Construction

Primary TypePentode
EnvelopeT-3 Glass
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesHeater-cathode type

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Video Amplifier150 V900050000—21 mA

Application Notes

Designed for wide band, RF or video power amplifier service in equipments with low plate supply voltages. Flexible terminal leads may be soldered or welded directly to components.

Filters

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Manufacturers

Brands

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    Plate Voltage250 V
    Plate Dissipation3.5 W
    Grid 2 Voltage155 V
    Cathode Current40 mA
    H-C Voltage200 V

    Audio Performance

    Power Output0.75 W
    Key Features
    • Long life
    • Stable performance
    • High shock resistance
    • High vibration resistance
    • Wide band capability