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CF3 Info
Country:  Europe      Brand:  Common type Europe 
  Tube type:  PENTODE   RF/IF-Stage   Controlling (mu) 
Tube ID = 183
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Identical to CF3 = 13H2 = TCF3 = UF3
Similar Tubes EF3 (Heater different)   AF3 (Heater different)   VF3 (Heater different)   UAHS3 (can normally be replaced - small diff'ce)   VP13 (other base)   HP13 (other base)  
First Series   Mar.1935 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Mar.1935 : Philips Bulletin
Jul.1935 : Die Sendung 1935 #7
Predecessor Tubes CF2   RENS1894  
Successor Tubes 1936 EF5   EF11   UF5  

Base Europe side contact base P (P8A) (Codex=Sf) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 13 Volts /
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  cf3.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
cf3_g_vv_r.jpg
Collection JR
Jacob Roschy

 
28_3.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
cf3_tech.png
Valvo Röhrendatenblatt
Martin Steyer

Usage in Models   1= 1934 ; 3= 1935?? ; 5= 1935? ; 72= 1935 ; 2= 1936?? ; 2= 1936? ; 108= 1936 ; 10= 1937? ; 83= 1937 ; 4= 1938? ; 63= 1938 ; 1= 1939?? ; 1= 1939? ; 10= 1939 ; 1= 1940 ; 1= 1941 ; 1= 1947? ; 2= 1947 ; 1= 1948 ; 1= 1949 ; 2= 1950 ;
Number of Models with this tube   374
Further Information for

CF3    

CF3 (CF3)  (22.07.2007) Reinhard Hanschke Clicks: 137     Replies: 0
Neupreis 1938: 59,-- FFR Lit.:                Catalog der Firma MANUFRANCE von 1938.
 
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