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12Z3

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ID = 3221
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier 
Identical to 12Z3 = CV927
Similar Tubes
Other base:
  14Z3
First Source (s)
Feb.1933 : 70 Years of Radiotubes and V.
Successor Tubes 14Y4   12X4  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=B)
Filament Vf 12.6 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  12z3.png
  12Z3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
12z3_039r.jpg
12Z3: Collection JR
Jacob Roschy

 
4g_4.png
12Z3
Emilio Ciardiello

 
12z3_techdat01.png
12Z3: Cunningham Radiotron Manual
Peter Hoddow


Usage in Models 1= 1930?? ; 13= 1931? ; 1= 1932? ; 1= 1932 ; 2= 1933?? ; 11= 1933? ; 15= 1933 ; 12= 1934?? ; 10= 1934? ; 40= 1934 ; 6= 1935?? ; 10= 1935? ; 16= 1935 ; 5= 1936?? ; 9= 1936? ; 15= 1936 ; 1= 1937?? ; 10= 1937 ; 12= 1938 ; 1= 1939? ; 1= 1941
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):192

12Z3*Box
   

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