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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

5R4GB

0 archive entries

BrandRCA
ClassIndustrial Full-Wave Vacuum Rectifier

Construction

Primary TypeVacuum
EnvelopeGlass octal
SectionsFull-Wave

Filament / Heater

Absolute Maximum Ratings

Plate Voltage3100 V
Cathode Current715 mA

Audio Performance

Key Features
  • Industrial and military applications
  • Glass octal type

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Capacitor-Input Filter (40000 ft altitude)700 V—225—250 mA
Capacitor-Input Filter (20000 ft altitude)750 V—250—150 mA
Capacitor-Input Filter (20000 ft altitude, high voltage)1000 V—837.5—

Application Notes

Vertical, base down or up, or Horizontal mounting with pins 2 and 4 in vertical plane.

Filters

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Manufacturers

Brands

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    150 mA
    Choke-Input Filter (40000 ft altitude)750 V———250 mA
    Choke-Input Filter (20000 ft altitude)950 V———176 mA