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2N1638

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ID = 51456
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transistor   VHF 
Identical to 2N1638
Similar Tubes
Normally replaceable-slightly different:
  AF124 ; AS34
Predecessor Tubes 2N139  
Base Wires
Description PNP germanium diffused high-frequency transistor.
- 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 6 x 12 x 6 mm / 0.24 x 0.47 x 0.24 inch
Weight 1 g / 0.04 oz
Information source
2n1638_sch.png
2N1638: RCA Manual SC-12
Heinz Höger
to24.png 2N1638
Günther Stabe † 19.8.20
2n1638.png
2N1638: RCA Manual SC-12
Heinz Höger
Usage in Models 7= 1961 ; 4= 1962?? ; 3= 1962 ; 1= 1963?? ; 17= 1963 ; 1= 1964?? ; 2= 1964? ; 28= 1964 ; 4= 1965?? ; 32= 1965 ; 1= 1966? ; 18= 1966 ; 9= 1967 ; 8= 1968 ; 2= 1969 ; 1= 1970?? ; 1= 1970 ; 7= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):146
 
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