Tube-number record
PY33
0 archive entries
PY33 is a tube type in the TubeDatabase archive (class: Half-wave rectifier). Recorded specifications: brand Mullard, construction Indirectly heated, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassHalf-wave rectifier
BaseOctal
Filament29 V @ 300 mA
Construction
Primary TypeIndirectly heated
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for series operation, a.c. or d.c.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-wave rectifier | 250 V | — | 25 | — | 220 mA |
| Half-wave rectifier | 200 V | — | 15 | — | 325 mA |
Application Notes
For television receivers where a constant output voltage is required for different input voltages.
Datasheets
Datasheet: PY33.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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