423A
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BrandWestern Electric
ClassVoltage Reference Tube
BaseMiniature 9-pin
Construction
Primary TypeCold Cathode Diode
EnvelopeT 6-1/2
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Cathode Current8 mA
Audio Performance
Key Features
- Inert-gas-filled
- Miniature cold cathode
- Two-electrode
- Stable characteristics
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Reference | 100V | - | - | - | 6mA |
Application Notes
The 423A is used as a voltage reference tube with exceptionally stable characteristics.
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