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UX200A

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ID = 14950
       
Country:
United States of America (USA)
Brand:
Tube type:  Gas Triode   Detector 
Identical to UX200A = 00A = SX200A = 200A = TC200A = D400A = X200A = SX100A = 5VD_vanHorne = CX300A = 200X00-A = ER200A = DX-200-A = 4602_WLS = Detector_Knight = CTX200A = MX200A = GSX-200A = 57T200A = PA200A = BD200A = DC200A = PD200A
Similar Tubes
Normally replaceable-slightly different:
  DL15_deForest ; H_CeCo ; UX200
First year May.1926 Radios von gestern, 2. Auflage + Tyne page 316
First Source (s)
Apr.1926 : Saga of the Vacuumtube, Tyne
Predecessor Tubes UX200  
Successor Tubes GX200A  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 0.25 Ampere / Direct
Description In 1925 (Stokes page 17) RCA replaces the UV200 with the UX200.
Tyne: In May 1926 RCA announces the UX200A as a new detector tube, replacing the UX200. The UX200A contains caesium vapor isntead of argon gas of the UV200 and UX200 to get a much more stable operation and increase of sensitivity. The UX200A has a thoriated filament but at that time, 1926, was already outdated and only being used as replacement for UX200 (EE). 
Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
ux200a.png
UX200A: R.O.
Rudolf Osterkamp

 
uxsockel_10.png
UX200A: KoBi
Konrad Birkner † 12.08.2014

 
200a_15_30v_5v_heizung~~2.png
UX200A: KoBi
Konrad Birkner † 12.08.2014


Usage in Models 1= 1926? ; 29= 1926 ; 1= 1927? ; 29= 1927 ; 2= 1928? ; 11= 1928 ; 2= 1929 ; 1= 1930??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):76


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