GZ30
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BrandMullard
ClassFull-wave Rectifier
BaseOctal
Filament5V @ 2mA
Construction
Primary TypeIndirectly-heated
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialOctal
Sections2
Filament / Heater
Heater NotesIndirectly-heated
Absolute Maximum Ratings
Plate Voltage1400 V
Cathode Current125 mA
Audio Performance
Key Features
- Indirectly heated
- Full-wave
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input (C=8uF, Rlim=190 Ohms) | 250V | - | - | - | 125mA |
| Capacitor Input (C=8uF, Rlim=260 Ohms) | 300V | - | - | - | 125mA |
| Capacitor Input (C=8uF, Rlim=300 Ohms) | 350V | - | - | - | 125mA |
| Choke Input (L=10H) | 250V | - | - | - | 125mA |
| Choke Input (L=10H) | 500V | - | - | - | 125mA |
Application Notes
Commonly used in power supplies requiring up to 125mA output.
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