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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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CK502AX vacuum tube outline illustration

Tube-number record

CK502AX

0 archive entries

CK502AX is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Raytheon, year 1956, construction Pentode, base Glass, socket Subminiature, and maximum plate voltage 45 V. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassPentode
BaseSubminiature

Construction

Primary TypePentode
EnvelopeT-2X3 Glass
Base MaterialGlass
SectionsSingle

Filament / Heater

MaterialTinned flexible leads

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier (Condition 1)22.5 V385220000—0.27 mA
Class A1 Amplifier (Condition 2)45 V500250000—0.45 mA

Application Notes

Designed for use as a power amplifier in applications requiring economy of space and weight. Do not use in series filament circuits. Red dot is adjacent to Lead 1.

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    Plate Voltage45 V
    Grid 2 Voltage45 V
    Cathode Current1 mA

    Audio Performance

    Typical THD10%
    Power Output0.006 W
    Key Features
    • Filament type pentode
    • Economy of space, weight and battery drain
    • Flexible terminal leads
    • Deflector plates as Grid #3