Tube-number record
5R4GB
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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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate 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.
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