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ID = 38052
Great Britain (UK)
Brand: English Electric Valve Company Ltd. (EEV); Chelmsford
Tube type:  Thyratron 
Identical to FX297

Base SPECIAL TUBEBASE in general Top contact with a cap.
Filament Vf 6.3 Volts / If 21.5 Ampere / Half indirect / Parallel / series AC/DC
Description Hydrogen Triode. B5F base.
Va <25kV 500A peak, 1.25A mean.
Dimensions (WHD)
incl. pins / tip
84 x 318 x mm / 3.31 x 12.52 x inch
Weight 700 g / 24.69 oz
Information source - - Manufacturers Literature   
Klaus Rüdiger


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