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Tube Database (7,341 tube types · 1,270 archive entries)

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1P33 vacuum tube outline illustration

Tube-number record

1P33

0 archive entries

1P33 is a tube type in the TubeDatabase archive (class: Phototube). Recorded specifications: brand Continental Electric Co., construction Other / special, socket 4-pin, and maximum plate voltage 95 V. The archive does not yet hold a photographed example of this type.

BrandContinental Electric Co.
ClassPhototube
Base4-pin

Construction

Primary TypeOther / special
EnvelopeG18Z
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage95 V
Cathode Current0.02 mA

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Luminous Sensitivity95 V———0.075 mA

Application Notes

Luminous Sensitivity measured at 0 cycles. Average cathode current based on 0.2 sq. in. of sensitive cathode area.

Datasheets

Datasheet: 1P33.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Audio Performance

    Key Features
    • Gas Filled
    • 2 Electrodes
    • S1 Spectral Response
    • Any mounting position