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Tube Database (1,270 tubes)

Other (3257), Pre (2314), Power (1030), Rectifier (740)
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U25

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BrandEdiswan Mazda
ClassMiniature High Voltage Half-Wave Rectifier
BaseFlexible / flying leads
Filament2V @ 200mA

Construction

Primary TypeIndirectly heated
Rectifier TypeHalf-wave
EnvelopeMiniature Bulb
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage7800 V

Audio Performance

Key Features
  • Miniature
  • High Voltage
  • Half-Wave Rectifier
  • Indirectly heated
  • R.F. Supply
  • Fly-back E.H.T. Supply

Application Notes

The pulse ratings are for Television Line Scan where the applied voltage pulse does not exceed 15% of one scanning cycle or 15 µsecs duration.

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