Tube-number record
AZ4
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BrandPhilips
ClassRectifier
BaseSide-contact (P-base)
Construction
Primary TypeHigh vacuum
Rectifier TypeFull-wave
EnvelopeGlass
Sections2
Filament / Heater
MaterialOxide-coated
Absolute Maximum Ratings
Plate Voltage500 V
Cathode Current200 mA
Audio Performance
Key Features
- High vacuum
- Full-wave rectifying valve
- Direct heating by A.C.
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave rectification | 300 V | — | 60 | — | 200 mA |
| Full-wave rectification | 400 V | — | 80 | — | 150 mA |
| Full-wave rectification | 500 V | — | 100 | — | 120 mA |
Application Notes
Operating characteristics include varying plate resistance requirements (Rt) based on supply voltage to protect the valve.
Datasheets
Datasheet: AZ4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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