6AJ5
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BrandSylvania
ClassPentode
Base7-pin miniature button
Filament6.3V @ 300mA
Construction
Primary Typesharp cutoff pentode
EnvelopeT-5 1/2
Sectionssingle
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation1.7 W
Grid 2 Voltage180 V
Cathode Current18 mA
H-C Voltage90 V
Audio Performance
Key Features
- Low plate and screen voltage operation
- High frequency suitability
- Sharp cutoff characteristic
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 28V | 2500 | 100000 | - | 2.7mA |
Application Notes
The 6AJ5 is especially suitable for operation at high frequencies where only low plate and screen voltages are available.
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