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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

RK-4B31

0 archive entries

BrandRaytheon
ClassDiode Rectifier
Base4-pin
Filament5 V @ 5000 mA

Construction

Primary TypeOther / special
EnvelopeHard glass Nonex
SectionsSingle Diode

Filament / Heater

Warm-up Time2s
Heater NotesHeater-cathode type

Absolute Maximum Ratings

Plate Voltage16000 V
Cathode Current150 mA

Audio Performance

Key Features
  • Mechanically rugged
  • Gold plated plates
  • Zirconium molybdenum coated plates
  • Heliarc welded cathode
  • Ceramic spacers

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Clipper Diode16000 V———60 mA
Rectifier16000 V———150 mA
DC Characteristics130 V———300 mA

Filters

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