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ClassFull-wave Rectifier
Base4-pin European
Construction
Primary TypeDuo-diode
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialBakelite
Sections2
Filament / Heater
MaterialOxide
Absolute Maximum Ratings
Plate Voltage400 V
Cathode Current60 mA
Audio Performance
Key Features
- Full-wave rectification
- Directly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier | 300V | - | - | - | 60mA |
Application Notes
Commonly used in European radio power supplies from the 1930s.
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