EF 51
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BrandPHILIPS
ClassH.F. Pentode
Filament6.3V @ 430mA
Construction
Primary TypePentode
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4.5 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
Cathode Current20 mA
H-C Voltage50 V
Audio Performance
Key Features
- H.F. PENTODE FOR ULTRA SHORT WAVE AMPLIFICATION
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. Amplification | 250V | 9500 | 500000 | 65 | 14mA |
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