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

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A296 vacuum tube outline illustration

Tube-number record

A296

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A296 is a tube type in the TubeDatabase archive (class: High vacuum rectifier). Recorded specifications: brand English Electric Valve Co. Ltd., construction Rectifier, socket Flexible / flying leads, maximum plate voltage 25000 V, and maximum plate dissipation 500 W. The archive does not yet hold a photographed example of this type.

BrandEnglish Electric Valve Co. Ltd.
ClassHigh vacuum rectifier
BaseFlexible / flying leads

Construction

Primary TypeRectifier
Rectifier TypeHigh vacuum
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Three phase rectifier circuit23000 V—130—3000 mA

Application Notes

Designed for use in three phase rectifier circuits. X-rays are produced when operated with a peak inverse anode voltage above 16kv; shielding is required.

Datasheets

Datasheet: A296.pdf

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

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    Plate Voltage25000 V
    Plate Dissipation500 W
    Cathode Current1250 mA

    Audio Performance

    Key Features
    • Thoriated tungsten filament
    • Natural or forced-air cooling
    • X-ray radiation warning
    • Top cap radiator required