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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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327A vacuum tube outline illustration

Tube-number record

327A

0 archive entries

327A is a tube type in the TubeDatabase archive (class: Half-wave argon filled rectifier). Recorded specifications: brand Western Electric, construction Rectifier, socket Screw / Edison base, and maximum plate voltage 275 V. The archive does not yet hold a photographed example of this type.

BrandWestern Electric
ClassHalf-wave argon filled rectifier
BaseScrew / Edison base

Construction

Primary TypeRectifier
Rectifier TypeArgon filled
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Rectifier8 V———2000 mA

Application Notes

Designed to supply direct current from an alternating-current supply in power systems for battery charging and for other purposes. Filament voltage should be maintained within 10% of rated value.

Datasheets

Datasheet: 327A.pdf

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

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    Plate Voltage275 V
    Cathode Current2000 mA

    Audio Performance

    Key Features
    • Tungsten filament
    • Argon filled
    • Can be operated in parallel