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XL631

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ID = 55388
       
Country:
Great Britain (UK)
Brand: English Electric Valve Company Ltd. (EEV); Chelmsford
Tube type:  Radiation Generators general 
Identical to XL631

Filament --/--
Description Crater-type glow modulator; 0.25 to 30mA, 45mA pk.
Operating Voltage <150 ; Luminous intensity >0.27 candela, 550 candela/square inch.

 

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xl631.jpg

 

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