6AK5
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BrandSYLVANIA
ClassMiniature sharp cut-off rf pentode
BaseMiniature Button 7 Pin
Filament6.3V @ 175mA
Construction
Primary Typepentode
EnvelopeMiniature
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation1.7 W
Grid 2 Voltage140 V
Cathode Current18 mA
H-C Voltage90 V
Audio Performance
Key Features
- Miniature sharp cut-off rf pentode
- Operation up to 400 mc
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A, Amplifier | 120V | 5000 | 300000 | - | 7.5mA |
| Class A, Amplifier | 180V | 5100 | 500000 | - | 7.7mA |
Application Notes
Fixed bias operation is not recommended. Shield No. 316 connected to cathode.
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