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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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346B vacuum tube outline illustration

Tube-number record

346B

0 archive entries

346B is a tube type in the TubeDatabase archive (class: Relay, Voltage Regulator, Rectifier). Recorded specifications: brand Western Electric, construction Other / special, socket Special / none, and maximum plate voltage 225 V. The archive does not yet hold a photographed example of this type.

BrandWestern Electric
ClassRelay, Voltage Regulator, Rectifier
BaseSpecial / none

Construction

Primary TypeOther / special
Rectifier TypeCold Cathode
EnvelopeGlass
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage225 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard operation80 V———20 mA

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.

Datasheets

Datasheet: 346B.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Cathode Current100 mA

    Audio Performance

    Key Features
    • Inert-gas-filled
    • Cold cathode
    • Triggering, counting, or switching control