Tube-number record
PY31
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BrandMullard
ClassRectifier
Filament17 V @ 300 mA
Construction
Primary TypeRectifier
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current125 mA
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier | 250 V | — | 300 | — | 125 mA |
| Rectifier | 127 V | — | — | — | 180 mA |
| Rectifier | 200 V | — | 30 | — | 180 mA |
Datasheets
Datasheet: PY31.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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