EC90
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BrandVarious
ClassTriode
Base7-pin Miniature
Filament6.3V @ 0.15mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3.5 W
Grid 1 Voltage-50 V
Audio Performance
Key Features
- VHF Triode
- Low noise
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 | 100V | 3100 | 6250 | 19.5 | 11.8mA |
| Class A1 | 250V | 2200 | 7700 | 17 | 10.5mA |
Application Notes
Commonly used as an oscillator or amplifier in VHF circuits.
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