Tube-number record
GY501
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BrandTelefunken
ClassHigh-voltage half-wave rectifier
BaseMagnoval
Filament3.15 V @ 400 mA
Construction
Primary TypeDiode
Rectifier Typehalf-wave
Envelopeglass
Sectionssingle
Filament / Heater
Heater NotesIndirectly heated, parallel supply
Absolute Maximum Ratings
Plate Voltage27500 V
Cathode Current1.7 mA
Audio Performance
Key Features
- Indirectly heated
- X-ray production warning
- Anti-spraying ring support
- Any mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectification of line flyback pulses | 25000 V | — | — | — | 1.5 mA |
Application Notes
The filament voltage must be adjusted to the nominal value at the expected mean DC load. Negative voltage peaks caused by decay of oscillation must be considered.
Datasheets
Datasheet: GY501.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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