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XL641

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ID = 55389
       
Country:
Great Britain (UK)
Brand: English Electric Valve Company Ltd. (EEV); Chelmsford
Tube type:  Radiation Generators general 
Identical to XL641

Filament --/--
Description Crater-type glow modulator; 1 to 70mA, 100mA pk.
Operating Voltage <150 ; Luminous intensity >0.4 candela, 650 candela/square inch.

 

Information source - - Manufacturers Literature   
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