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

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B 217 vacuum tube outline illustration

Tube-number record

B 217

0 archive entries

B 217 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Philips, construction Triode, socket CRT / special base, maximum plate voltage 150 V, and maximum plate dissipation 0.9 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassTriode
BaseCRT / special base

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide-coated

Absolute Maximum Ratings

Plate Voltage150 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Normal150 V130013000174 mA

Datasheets

Datasheet: B217.pdf

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

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    Plate Dissipation
    0.9 W
    Grid 1 Voltage-0.4 V
    Cathode Current10 mA

    Audio Performance

    Key Features
    • Detector with transformer coupling
    • L.F. amplifier with transformer coupling
    • Oscillator
    • Driver valve for class B amplifier