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ID = 81417
United States of America (USA)
Brand: Clare, C.P. & Company; Chicago, IL
Tube type:  Solid-State-Diode   Universal 
Identical to UGT-4.0

Base Base on each end.
Was used by Radar
Filament Solid State

High-voltage high-speed surge protector. Glass envelope.

  • 4.0 kV DC ±10% breakdown voltage
  • 200 kV/μs impulse response
  • 20 kA peak current
Dimensions (WHD)
incl. pins / tip
15 x 70 x mm / 0.59 x 2.76 x inch
Information source - - Manufacturers Literature   CP Clare datasheet
UGT-4.0: Private collection
Emilio Ciardiello


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