PY82
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BrandPhilips
ClassHigh-vacuum single-anode rectifier
BaseNoval
Filament19V @ 300mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirect heating by AC or DC, series supply
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current180 mA
H-C Voltage550 V
Audio Performance
Key Features
- High-vacuum
- Single-anode
- Indirectly heated
- Noval base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier operation at 250V input | 250V | - | 125 | - | 180mA |
| Rectifier operation at 127V input | 127V | - | - | - | 180mA |
Application Notes
When two valves are placed in parallel, Cfilt = max 100 uF. The resistor Rt must be inserted in the anode lead of each valve. Max heater-to-cathode voltage consists of max 220V eff AC + max 250V DC.
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