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UX250

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ID = 16545
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse for Brand RCA-Radiotron 
Tube type:  Triode, vacuum   Power/Output 
Identical to UX250 = PH250 = F704_UX4 = 450 = X-250 = EX650 = CX350 = 57T250 = SO-2 = 150_Arcturus = SX250 = VX250 = ER250 = 585 = TS250 = RX250 = RYB250 = RayX-250 = TC250 = SLX250 = PA250 = C-585 = A750 = NX-250 = AC250_magnatron = AC50_DAVEN = 250 = 50
Similar Tubes
Other shape (e.g. bulb type):
  NU-50
Normally replaceable-slightly different:
  350 ; 38050 ; 4617_WLS ; CA250 ; CV2533 ; FP-44 ; FX250 ; G-50 ; L50 ; L_WLS ; P25/450 ; P704 ; PX2500 ; SE-3871 ; U250 ; VT-50 ; WLS550
Other base:
  W306_Marathon ; W704
First Source (s)
1928 : Saga of the Vacuum Tube, Tyne p.317,328
Predecessor Tubes UX210  
Successor Tubes SX250  
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AC/DC
Description

Work on development of this tube started at the Westinghouse laboratories in the summer of 1926. The tube was announced in February 1928.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 x 153 x 78 mm / x 6.02 x 3.07 inch
Weight 67 g / 2.36 oz
Tube prices 4 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 27
Saga of the Vacuum Tube, Tyne   
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
uxsockel_15.png UX250: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad 		ux250_data.png
UX250: RCA Receiving Tube Manual RC-10
Heinz Höger
Usage in Models 3= 1928? ; 23= 1928 ; 1= 1929? ; 12= 1929 ; 2= 1930?? ; 2= 1930 ; 1= 1931?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):44
Museum "Museum of Alaska Transportation and Industry (MATI)"

Collection of

Karlheinz Fischer (D)
Tomasz Szczesniak (PL)
 
usa_ge_ux250.jpg

UX250
 
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