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233

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ID = 10796
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 233 = ER233 = 133 = TS233 = RYB233 = C333 = ER33 = T-33 = NU-33 = 33
First Source (s)
1930 : Saga of the Vacuum Tube, Tyne p.329,330
Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip		 x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 50 g / 1.76 oz
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
s_227_g.gif 233: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
More ...
Just Qvigstad
Usage in Models 1= 1931?? ; 1= 1932?? ; 1= 1932? ; 7= 1932 ; 1= 1933? ; 4= 1933 ; 11= 1934 ; 6= 1935 ; 2= 1936
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):34

Collection of

Robert Gillespie (USA)
 
20200703_095015.jpg

233
 
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