Tube-number record
5V3A / 5AU4
0 archive entries
5V3A / 5AU4 is a tube type in the TubeDatabase archive (class: Full-Wave Vacuum Rectifier). Recorded specifications: brand RCA, construction Rectifier, socket Octal, and maximum plate voltage 1550 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassFull-Wave Vacuum Rectifier
BaseOctal
Construction
Primary TypeRectifier
Rectifier TypeVacuum
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1550 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor-Input Filter | 425 V | — | 50 | — | 350 mA |
| Choke-Input Filter | 500 V | — | — | — | 350 mA |
Application Notes
Vertical mounting is preferred, but horizontal mounting is permissible if pins 2 and 4 are in vertical plane. Adequate ventilation is essential.
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