6N8
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BrandPhilips
ClassDouble Diode-Pentode
BaseSmall button noval 9-pin
Filament6.3V @ 300mA
Construction
Primary TypeDouble Diode-Pentode
EnvelopeT 6 1/2
Base MaterialGlass
Sections3
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current10 mA
H-C Voltage50 V
Audio Performance
Power Output0.05 W
Key Features
- Double Diode
- High-gain Pentode
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF Amplifier | 250V | 2200 | 1600000 | 19 | 5mA |
Application Notes
Used for R.F., I.F. and A.F. amplification. Maximum grid leak resistor is 22 megohms if grid bias is obtained by voltage drop across grid leak.
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