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233

Information - Help 
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 = 33 = ER233 = 133 = ER33 = NU-33
First Source (s)
1930 : Saga of the Vacuumtube, 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)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
rca_233.jpg
233: Ebay Seller paperpayline Item 200740606863
Franz Scharner

 
s_227_g.gif
233: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

Usage in Models 1= 1931?? ; 1= 1932?? ; 1= 1932? ; 6= 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):33

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