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

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18519 vacuum tube outline illustration

Tube-number record

18519

0 archive entries

18519 is a tube type in the TubeDatabase archive (class: Radiation Counter Tube). Recorded specifications: brand Philips, construction Other / special, base Chrome-iron cathode wall, socket Flexible / flying leads, and maximum plate voltage 675 V. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassRadiation Counter Tube
BaseFlexible / flying leads

Construction

Primary TypeOther / special
EnvelopeGlass
Base MaterialChrome-iron cathode wall
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage675 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Operating Characteristics450 V—5400000——

Application Notes

Background measured with 2 inch lead and 1/4 inch aluminum shielding.

Datasheets

Datasheet: 18519.pdf

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

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    Cathode Current0.05 mA

    Audio Performance

    Key Features
    • High-current halogen-quenched
    • Detection of gamma and hard X-radiation
    • Chrome-iron cathode wall