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BrandWestern Electric
ClassCold Cathode Gas Triode
Base9-Pin Miniature (E9-1)
Construction
Primary TypeCold Cathode Triode
Rectifier TypeGas-filled Relay
EnvelopeMiniature
Base MaterialGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage180 V
Cathode Current30 mA
Audio Performance
Key Features
- Inert-gas filled
- Cold cathode
- Miniature button 9-pin base
- Opaque bulb coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Relay Operation | 69V | - | - | - | 10mA |
Application Notes
Suitable for control circuits such as triggering, counting, or switching apparatus. Functions as a relay, voltage regulator, or rectifier.
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