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435

Information - Help 
ID = 12454
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to 435 = 35 = 235 = 335 = 51 = C335
Similar Tubes
Normally replaceable-slightly different:
  ER551
Other base:
  51_Coronet

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
45 x 123 x mm / 1.77 x 4.84 x inch
Weight 50 g / 1.76 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
70 Years of Radiotubes and V.   Page 166
 
435_deforest_detail_ph1.jpg
435: Patrice ZEISSLOFF
Patrice Zeissloff

 
s_225_g_9.gif
435: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

 
435.png
435: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 6= 1931 ; 3= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9


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