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35 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Tube ID = 2662
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Identical to 35 = 35/51 = 235 = 251 = UY-235 = A235 = RENS351 = 435 = 51 = VT-35
Similar Tubes 151 (can normally be replaced - small diff'ce)   51S (can normally be replaced - small diff'ce)  
First Series   1931 -- Collector info (Sammler)
First Source (s) Jun.1931 : -- Collector info (Sammler)
Successor Tubes 35/51  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 1.7 Ampere / Vf 2.5 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Babani, International Radio Tube Encyclopaedia   
Taschenbuch zum Röhren-Codex 1948/49   

  35.png
  Internet
Miguel Angel Trujillo-Rodriguez
35hygradeph2.jpg
Patrice ZEISSLOFF
Patrice Zeissloff

 
448_9.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
35_techdat01_1.png
Cunningham Radiotron Manual
Peter Hoddow

Usage in Models   7= 1929? ; 2= 1929 ; 3= 1930?? ; 6= 1930? ; 2= 1930 ; 5= 1931?? ; 57= 1931? ; 308= 1931 ; 26= 1932?? ; 195= 1932? ; 158= 1932 ; 7= 1933?? ; 9= 1933? ; 17= 1933 ; 1= 1934?? ; 4= 1934? ; 2= 1934 ; 1= 1935?? ; 2= 1936? ; 1= 1936 ; 1= 1938?? ; 2= 1956? ; 2= 1956 ; 2= 1957? ; 2= 1958 ; 1= 9999? ; 18= 9999 ;
Number of Models with this tube   841
Further Information for

35    

35 naming conventions  (13.10.2005) John Hupse Clicks: 501     Replies: 5
The "35" tetrode was introduced in May 1931 by RCA as the "RCA-235". Not in 1935. It is the world's first variable-mu tetrode. A few month later Philips introduced the European version, the E455. The number "1", "2", "3" or "4" etc. before the type number (e.g. 235 instead of 35) was used to indicate the brand. In the RMorg database this additional number is used in a rather arbitrary fashion. A more concise method is to use a 2-digit model number for these tubes. So do not use "301A" or "UX201A", use "01A". Do not use "235" or "RCA235" or "435" but use "35". This will be easier for the database user (the Collector) and easier for the database administrator.
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16OctX