Tube-number record
50Z7G
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BrandSylvania
ClassRectifier / Voltage Doubler
BaseOctal
Filament50 V @ 150 mA
Construction
Primary TypeHigh vacuum
EnvelopeST-12
Sections2
Filament / Heater
Heater NotesIncludes tap for panel lamp between pins 6 and 7 (2.0 to 2.9V / 170mA).
Absolute Maximum Ratings
Plate Voltage117 V
Cathode Current65 mA
Audio Performance
Key Features
- High vacuum
- Panel lamp tap
- Universal AC/DC receiver use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Doubler | 117 V | — | — | — | 65 mA |
| Half-wave Rectifier | 117 V | — | — | — | 65 mA |
Application Notes
Recommended for AC/DC or universal receivers. For half-wave operation, connect plates together and cathodes together. Minimum series resistance of 25 ohms per plate is required.
Datasheets
Datasheet: 50Z7G.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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