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238

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ID = 10797
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to 238 = ER238 = RYB238 = T-38 = NU-38 = UY238 = NU-238 = NY-68
Similar Tubes
Normally replaceable-slightly different:
  38038 ; SE-4612
Other characteristic (electr. data):
  NY-68A
Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.3 Ampere
Dimensions (WHD)
incl. pins / tip		 x 118 x 38 mm / x 4.65 x 1.50 inch
Weight 36 g / 1.27 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
s_228_g_4.gif 238: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 1= 1931?? ; 5= 1931 ; 3= 1932? ; 6= 1932 ; 1= 1933? ; 2= 1933 ; 1= 1934 ; 1= 1951
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20
Literature "Electronics" Vol. 2 No. 6 | 1931-06
 
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