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AD148

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ID = 33997
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Transistor   Power/Output 
Identical to AD148
Similar Tubes
Normally replaceable-slightly different:
  GFT3108 ; GFT3408 ; GFT3708
Different maximum ratings:
  AD139 ; GFT3008
First Source (s)
Mar.1964 : -- Collector info (Sammler)
Predecessor Tubes TF80/30  
Base SPECIAL TUBEBASE in general
Description PNP germanium alloy transistor intended as power amplifier / switch in AF applications.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 19 x 31 x 10 mm / 0.75 x 1.22 x 0.39 inch
Weight 4 g / 0.14 oz
Information source -- Collector info (Sammler)   KTT 1969/70
ad148bfy40.gif
AD148: Funktechnik 4/66
Egon Strampe
sot9_m_5.gif AD148: KTT 1969/70
Günther Stabe † 19.8.20
d_siemens_ad148_1.png
AD148: Siemens Halbleiter Datenbuch 1965/66
Thomas Günzel † 1.8.22
More ...
Usage in Models 1= 1962?? ; 12= 1963 ; 1= 1964?? ; 19= 1964 ; 1= 1965?? ; 3= 1965? ; 31= 1965 ; 25= 1966 ; 6= 1967?? ; 3= 1967? ; 21= 1967 ; 17= 1968 ; 1= 1969? ; 7= 1969 ; 1= 1970?? ; 8= 1970 ; 1= 1973? ; 1= 1975?? ; 5= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):164

Collection of

Museum Roggenhofer (A)
Glenn Moeller-Holst (DK)
Karlheinz Fischer (D)
Günther Stabe † 19.8.20 (D)
Marcello Astolfi (I)
 
ad148.jpg

AD148
 
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