346B
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BrandWestern Electric
ClassRelay, Voltage Regulator, Rectifier
BaseCustom mounting with locating pin and screw
Construction
Primary TypeThree-electrode, inert-gas-filled
Rectifier TypeCold Cathode
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage225 V
Cathode Current100 mA
Audio Performance
Key Features
- Inert-gas-filled
- Cold cathode
- Triggering, counting, or switching control
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard operation | 80V | - | - | - | 20mA |
Application Notes
The 346B is especially suitable for use in control circuits such as in triggering, counting, or switching apparatus. Sufficient resistance must be used in series with the tube to ensure electrode currents do not exceed maximum rated values.
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