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

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Tube-number record

ME1401

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BrandMullard
ClassElectrometer Triode
BaseB5 family

Construction

Primary TypeTriode
EnvelopeSubminiature
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage25 V

Audio Performance

Key Features
  • Subminiature
  • Low grid current
  • Electrometer triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation9 V80—20.1 mA

Application Notes

The quoted grid current characteristics will only be obtained if the tube is operated in complete darkness. In order to avoid excessive drift the filament voltage must be applied before the anode voltage.

Datasheets

Datasheet: ME1401.pdf

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

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