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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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EY3000N vacuum tube outline illustration

Tube-number record

EY3000N

0 archive entries

EY3000N is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand TESLA, construction Diode, socket Side-contact (P-base), maximum plate voltage 3500 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.

BrandTESLA
ClassRectifier
BaseSide-contact (P-base)
Filament6.3 V @ 1650 mA

Construction

Primary TypeDiode
Rectifier Typehalf-wave
Envelopeglass
Sectionssingle

Filament / Heater

Materialoxide-coated
Warm-up Time60s

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single-way rectifier1200 V—150—220 mA
Two-way rectifier (dual tubes)850 V—150—400 mA
Static Characteristic30 V———200 mA

Application Notes

Anode voltage should be switched on only after cathode warmup. If not possible, the maximum inverse voltage must be reduced to 2000V. Serial heater connection of two tubes is allowed only in two-way rectifier configuration.

Datasheets

Datasheet: EY3000N.pdf

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

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    Heater Notes
    Indirect heating, parallel or serial AC supply

    Absolute Maximum Ratings

    Plate Voltage3500 V
    Plate Dissipation10 W
    Cathode Current120 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Indirectly heated cathode
    • Top cap anode connection
    • Side-contact base
    • Suitable for large amplifiers or small transmitters