PY32
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ClassHalf-wave rectifier
BaseOctal
Filament29V @ 300mA
Construction
Primary TypeHalf-wave rectifier
Rectifier TypeIndirectly-heated
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesSuitable for series operation, a.c. or d.c.
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current325 mA
H-C Voltage550 V
Audio Performance
Key Features
- Indirectly-heated
- Series connected heaters
- Suitable for television receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier - 200V supply | 200V | - | 23 | - | 325mA |
| Rectifier - 210V supply | 210V | - | 25 | - | 325mA |
| Rectifier - 220V supply | 220V | - | 27 | - | 296mA |
| Rectifier - 230V supply | 230V | - | 29 | - | 267mA |
| Rectifier - 240V supply | 240V | - | 31 |
Application Notes
For television receivers where constant output voltage is required for different input voltages, values of limiting resistor can be obtained from specific curves.
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