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

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ESU866 vacuum tube outline illustration

Tube-number record

ESU866

0 archive entries

ESU866 is a tube type in the TubeDatabase archive (class: Half Wave Mercury Vapour Rectifier). Recorded specifications: brand EDISWAN, construction Diode, socket 4-pin, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.

BrandEDISWAN
ClassHalf Wave Mercury Vapour Rectifier
Base4-pin

Construction

Primary TypeDiode
Rectifier TypeMercury Vapour
EnvelopeGlass
SectionsSingle

Filament / Heater

Warm-up Time60s

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Rectifier15 V————

Application Notes

When first placed into operation it is essential that the filament is run at the rated value for 15 minutes without any anode voltage being applied.

Datasheets

Datasheet: ESU866.pdf

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

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    Plate Voltage
    10000 V
    Cathode Current250 mA

    Audio Performance

    Key Features
    • Half wave mercury vapour rectifier
    • Vertical mounting
    • Top cap anode