Tube-number record
5AZ4
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BrandRCA
ClassFull-Wave Vacuum Rectifier
BaseLoctal
Construction
Primary TypeVacuum
Rectifier Typefull-wave
Envelopeglass
Base MaterialLock-in
Sections2
Filament / Heater
Materialcoated
Absolute Maximum Ratings
Cathode Current125 mA
Audio Performance
Key Features
- Coated Filament
- Full-Wave Vacuum Rectifier
- Lock-in Base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor-Input Filter | 700 V | — | — | — | 125 mA |
| Choke-Input Filter | 1000 V | — | — | — | 125 mA |
Application Notes
When the input capacitor of the filter exceeds 40 uF, it may be necessary to increase the plate-supply impedance in order to limit the peak current to the rated value.
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