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2SD77

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ID = 39146
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Audio Frequency 
Identical to 2SD77
Similar Tubes
Different maximum ratings:
  AC176
Base Wires
Description NPN germanium alloy transistor intended as AF amplifier / driver.
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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
Information source -- Collector info (Sammler)   KTT 1969/70
2sd77.png
2SD77: Schema SHC-47F
Egon Strampe
to1_ttt_73.gif 2SD77: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 2= 1965? ; 1= 1965 ; 1= 1966? ; 2= 1968?? ; 1= 1968 ; 1= 1969?? ; 5= 1969 ; 4= 1970?? ; 2= 1970 ; 4= 1971?? ; 5= 1971? ; 4= 1971 ; 4= 1972 ; 1= 1973 ; 1= 1975?? ; 1= 1978??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):39

Collection of

Marcello Astolfi (I)
 
2sd77_img_1182.jpg

 
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