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2SD438

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ID = 54180
       
Country:
Japan
Brand: Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Tube type:  Transistor   Power/Output 
Identical to 2SD438
Base Wires
Description NPN silicon planar transistor intended as AF medium power amplifier / driver.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 9 x 4 mm / 0.20 x 0.35 x 0.16 inch
Weight 1 g / 0.04 oz
Information source - - -   
-- Collector info (Sammler)   TTT Steidle 1981
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2sb560_2sd438_umgeb1~~1.png
2SD438: (Braun atelier schematic)
Günther Stabe † 19.8.20
r-245.gif 2SD438
Günther Stabe † 19.8.20
More ...
Usage in Models 1= 1976? ; 1= 1976 ; 1= 1978?? ; 2= 1978 ; 1= 1979 ; 2= 1980?? ; 1= 1980 ; 4= 1981 ; 2= 1982? ; 1= 1983??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

Collection of

Museum Roggenhofer (A)
Jacky Parmentier (F)
 
2sd438.jpg

2SD438
 
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