DL64
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BrandMullard
ClassOutput Pentode
BaseB5A
Construction
Primary Typepentode
EnvelopeSubminiature
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage45 V
Grid 2 Voltage45 V
Cathode Current0.6 mA
Audio Performance
Typical THD10%
Power Output0.00095 W
Key Features
- Subminiature output pentode
- Suitable for use in hearing aids
- Primarily intended for 15V H.T. battery supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 15V | 180 | 400000 | 4.5 | 0.16mA |
| Class A Single Valve Amplifier | 15V | - | - | - | 0.15mA |
Application Notes
Direct soldered connections to the leads must be at least 5 mm from the seal and bending must be at least 1.5 mm from the seal.
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