OZ4 / OZ4G
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BrandSylvania
ClassRectifier
BaseSmall Octal (4-R)
Construction
Primary TypeCold Cathode Gas-Filled Rectifier
Rectifier TypeFull-wave
EnvelopeSA-2 (OZ4), T7 (OZ4G)
Base MaterialOctal
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Cathode Current75 mA
Audio Performance
Key Features
- Cold cathode
- Biplaque (Full-wave)
- Gas-filled
- No heater required
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave rectifier | 350V | - | - | - | 75mA |
Application Notes
Commonly used in car radio power supplies where filament power conservation is important. Requires RF shielding to minimize interference. The OZ4 and OZ4G are generally interchangeable.
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