DL68
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BrandMullard
ClassOutput Pentode
BaseB5A
Construction
Primary TypePentode
EnvelopeSubminiature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage45 V
Plate Dissipation0.1 W
Grid 2 Voltage45 V
Cathode Current2.3 mA
Audio Performance
Typical THD10%
Power Output0.005 W
Key Features
- Subminiature
- Low filament current 25mA
- Battery operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 22.5V | 430 | 100000 | 5 | 0.6mA |
Application Notes
Subminiature output pentode suitable for use in hearing-aids. Primarily intended for use with an H.T. battery supply of 22.5 volts.
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