PF86
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BrandPhilips
ClassPentode
BaseNoval
Filament4.5V @ 300mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating, series supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1 W
Grid 2 Voltage200 V
Cathode Current4 mA
H-C Voltage100 V
Audio Performance
Key Features
- Pentode for use in transitron circuits
- Television receivers
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode characteristic | 250V | 2000 | 2500000 | 38 | 3mA |
| Transitron characteristic (Cut-off) | 100V | - | - | - | 0.01mA |
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