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2N640

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ID = 37744
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transistor   RF/IF-Stage 
Identical to 2N640
Similar Tubes
Normally replaceable-slightly different:
  2N641
Base Wires
Description Germanium diffused high-frequency transistor.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 9 x 10 x mm / 0.35 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source - - -   
- - -   KTT 1969/70
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to7_tvt_31.gif 2N640: TVT 73
Günther Stabe † 19.8.20
Usage in Models 3= 1959? ; 5= 1960 ; 1= 1961 ; 1= 1963 ; 2= 1964? ; 1= 1964 ; 6= 1965 ; 1= 1966?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20
 
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