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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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RA 100 A vacuum tube outline illustration

Tube-number record

RA 100 A

0 archive entries

RA 100 A is a tube type in the TubeDatabase archive (class: Vacuum Rectifier). Recorded specifications: brand TESLA, construction Diode, base Metal/Screw, socket Screw / Edison base, maximum plate voltage 40000 V, and maximum plate dissipation 75 W. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassVacuum Rectifier
BaseScrew / Edison base

Construction

Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialMetal/Screw
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single-phase full-wave (2 tubes)14120 V———200 mA
Graetz bridge (4 tubes)28240 V———200 mA
Three-phase half-wave (3 tubes)16320 V———

Application Notes

Elektronka se smí používat pouze ve svislé poloze, chráněné tlumicím závěsem před nárazy.

Datasheets

Datasheet: RA100A.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage40000 V
    Plate Dissipation75 W
    Cathode Current750 mA

    Audio Performance

    Key Features
    • Thoriated tungsten cathode
    • Vertical mounting only
    • Directly heated
    300 mA
    Three-phase full-wave (6 tubes)16320 V———300 mA
    Three-phase double Y (6 tubes)16320 V———600 mA