430B
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BrandWestern Electric
ClassCold Cathode Gas-Filled Triode
Base4-pin small
Construction
Primary TypeThree-electrode
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage185 V
Cathode Current35 mA
Audio Performance
Key Features
- Inert-gas-filled
- Cold cathode
- Fast starter gap ionization time
- Suitable for fast switching circuits
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Bogey Characteristics | 75V | - | - | - | 20mA |
Application Notes
Used in relay, voltage regulator, or rectifier circuits. Mechanically and electrically identical to the 313C but with faster ionization.
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