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2SC644

Information - Help 
ID = 37193
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Transistor   Audio Frequency 
Identical to 2SC644
Similar Tubes
Normally replaceable-slightly different:
  BC184

Base Wires
Filament Solid State
Description NPN silicon planar transistor intended as AF pre-amplifier / driver / switch / general 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
 
2sc644_redimensionner.jpg
2SC644
Jacky Parmentier

 
to92_bce_10.gif
2SC644: TVT 1969 Verlag Nolde Dachau
Günther Stabe

 

Usage in Models 2= 1969?? ; 4= 1970?? ; 1= 1971 ; 2= 1972?? ; 2= 1972 ; 1= 1973? ; 3= 1973 ; 1= 1974? ; 2= 1974 ; 2= 1975?? ; 1= 1975? ; 1= 1977?? ; 1= 1980?? ; 1= 1983? ; 1= 1984??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25


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