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

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PL36 vacuum tube outline illustration

Tube-number record

PL36

0 archive entries

PL36 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Philips, construction Pentode, socket Octal, maximum plate voltage 250 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassOutput Pentode
BaseOctal
Filament25 V @ 300 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect heating by A.C. or D.C.; series supply

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical characteristics100 V1400050005.6100 mA

Application Notes

When operated below the knee of the Ia-Va characteristic, the screen grid series resistor must be at least 2.2 kOhms to avoid Barkhausen oscillations. Max pulse duration in line output circuits is 22% of cycle (max 18 microseconds).

Datasheets

Datasheet: PL36.pdf

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

Filters

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Manufacturers

Brands

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    Plate Dissipation10 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-1000 V
    Cathode Current200 mA
    H-C Voltage250 V

    Audio Performance

    Key Features
    • Line output tube
    • Indirectly heated
    • Barkhausen oscillation suppression