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2SA678

Information - Help 
ID = 69808
       
Country:
Japan
Brand: Sony Corporation; Tokyo
Tube type:  Transistor   Universal 
Identical to 2SA678
Similar Tubes
Normally replaceable-slightly different:
  TIS91
Other base and data slightly different:
  BC307

Base Wires
Filament Solid State
Description

PNP silicon planar transistor for universal purpose.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 6 x 3 mm / 0.20 x 0.24 x 0.12 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TTT Steidle 1981, Towers ITVL
 
2sa678_redimensionner.jpg
2SA678: ma propre collection
Jacky Parmentier

 
x_153~~4.gif
2SA678: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1970 ; 1= 1973

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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