EC80
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BrandPhilips
ClassU.H.F. grounded-grid TRIODE
BaseNoval
Filament6.3V @ 0.43mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C., parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4 W
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage100 V
Audio Performance
Key Features
- U.H.F. operation
- Grounded-grid design
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| grounded-grid | 250V | 12000 | - | 80 | 15mA |
Application Notes
Specifically designed for grounded-grid operation up to 500 Mc/s.
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