DL 167
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BrandVEB Röhrenwerk Anna Seghers
ClassSubminiatur-Endpentode
BaseSubminiature B5A
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
Sections1
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage45 V
Plate Dissipation0.025 W
Grid 2 Voltage45 V
Cathode Current0.6 mA
Audio Performance
Typical THD10%
Power Output0.0018 W
Key Features
- Subminiatur
- Hearing aid application
- Low filament current
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 22.5V | 400 | - | - | 0.5mA |
Application Notes
Used primarily in hearing aids (Hörhilfen).
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