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2SA81

Information - Help 
ID = 46430
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Frequency converter 
Identical to 2SA81 = 2SA82
Similar Tubes
Normally replaceable-slightly different:
  2S141 ; 2SA84 ; AF126 ; HJ-71
Predecessor Tubes HJ-71   2S141  

Base Wires
Filament
Description PNP germanium diffused transistor intended as AM oscillator.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
 
j_hitachi_2sa81.jpg
2SA81: aus eigener Sammlung
Karl-Heinz Entrich

 
to44_27.gif
2SA81: KTT 1969/70
Günther Stabe † 19.8.20

 

Usage in Models 1= 1959 ; 3= 1960 ; 3= 1962?? ; 1= 1962? ; 2= 1962 ; 1= 1963?? ; 1= 1963 ; 1= 1964?? ; 1= 1965?? ; 2= 1968??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


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