EAC 91
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BrandPhilips
ClassDiode-Triode
BaseMiniature
Filament6.3V @ 0.3mA
Construction
Primary TypeDiode-Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated; A.C. or D.C. series or parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Cathode Current10 mA
H-C Voltage50 V
Audio Performance
Key Features
- U.H.F. frequency changer
- Miniature base
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode section | 200V | 2500 | 12400 | 31 | 5.5mA |
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