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DS-501

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ID = 35785
       
Country:
United States of America (USA)
Brand: Delco - tubes; USA
Developer: Delco - tubes; USA 
Tube type:  Transistor   Power/Output 
Identical to DS-501 = DS501
Similar Tubes
Normally replaceable-slightly different:
  2N278
First Source (s)
Mar.1958 : -- Collector info (Sammler) Joe Knight
Base SPECIAL TUBEBASE in general
Description Early PNP silicon transistor intended as AF power amplifier.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 37 x 12 x mm / 1.46 x 0.47 x inch
Weight 10 g / 0.35 oz
to36.gif DS-501: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
Usage in Models 18= 1959? ; 14= 1959 ; 7= 1960? ; 2= 1961? ; 5= 1962? ; 4= 1963 ; 2= 1964?? ; 7= 1964 ; 28= 1965? ; 1= 1965 ; 7= 1966? ; 2= 1967 ; 2= 1968? ; 1= 1975??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):100

Collection of

David Erali (USA)
Rudolf Osterkamp (D)
Christian ADAM (F)
 
delco_ds_501_front.jpg

DS-501
 
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