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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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Tube-number record

HALF WAVE RECTIFIER

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BrandFerranti
ClassHigh Vacuum Rectifier
Base4-pin
Filament2.5 V @ 1750 mA

Construction

Primary TypeIndirectly heated
Rectifier TypeHalf Wave
EnvelopeGlass
Base MaterialStandard
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage12500 V
Cathode Current7.5 mA
H-C Voltage350 V

Audio Performance

Key Features
  • Shock and vibration resistant
  • Any mounting position
  • Clear bulb

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Capacitor Input Filter5500 V———2 mA

Application Notes

Designed for use in applications where shock and vibration are encountered. Max hot switching transient current duration 200 milliseconds.

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