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2SA640

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ID = 56718
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Transistor   Universal 
Identical to 2SA640
Similar Tubes
Normally replaceable-slightly different:
  BC416
Other base and data slightly different:
  XA495
Base Wires
Description

PNP silicon planar low noise transistor for universal purpose.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TTT Steidle 1981
to_92_bce~~22.gif 2SA640: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
Usage in Models 1= 1972? ; 1= 1973? ; 1= 1974? ; 1= 1976? ; 1= 1978 ; 1= 1981?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of

Wilfried Hofmüller (A)
 
2sa640_nec_hfm.jpg

 
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