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

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Tube-number record

B 2038

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BrandPhilips
ClassTriode
BaseO-base
Filament20 V @ 180 mA

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation1.5 W
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Miniwatt
  • Detector
  • L.F. amplification

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Normal200 V230014000336 mA
Maximum Slope—3500———

Application Notes

Commonly used as an Audion detector or L.F. amplifier in series-string heater circuits.

Datasheets

Datasheet: B2038.pdf

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

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