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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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Tube-number record

5731

0 archive entries

5731 is a tube type in the TubeDatabase archive (class: UHF Triode (Acorn Type)). Recorded specifications: brand Radio Corporation of America, year 1948, construction Triode, socket 5-pin, maximum plate voltage 250 V, and maximum plate dissipation 1.6 W. The archive does not yet hold a photographed example of this type.

BrandRadio Corporation of America
ClassUHF Triode (Acorn Type)
Base5-pin
Filament6.3 V @ 150 mA

Construction

Primary TypeTriode
EnvelopeT-4-1/2
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation1.6 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
AF Amplifier--Class A190 V170014700252.5 mA
AF Amplifier--Class A1134 V190013200253.5 mA
AF Amplifier--Class A1180 V200012500254.5 mA

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    Cathode Current
    12 mA
    H-C Voltage80 V

    Audio Performance

    Typical THD5%
    Power Output0.135 W
    Key Features
    • Acorn Type
    • Heater-Cathode Type
    • Intended for frequencies up to 600 MHz
    • Radiosonde applications
    AF Amplifier--Class A1250 V220011400256.3 mA
    RF Power Amplifier & Oscillator--Class C180 V———7 mA