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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

DIODE

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BrandGeneral Electric
ClassTelevision High-Voltage Rectifier
BaseNoval (B9A)

Construction

Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeT-6 1/2 Glass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage22000 V
Cathode Current45 mA

Audio Performance

Key Features
  • Miniature filamentary diode
  • Designed for high-voltage fly-back power supplies
  • Identical to 1X2-A except for increased peak inverse voltage

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Tube Voltage Drop100 V———7 mA

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