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AD148

Information - Help 
ID = 33997
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
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
Filament Solid State
Description PNP germanium alloy transistor intended as power amplifier / switch in AF applications.

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
Literature -- Collector info (Sammler)   KTT 1969/70
  ad148bfy40.gif
  AD148: Funktechnik 4/66
Egon Strampe
 
ad148.jpg
AD148: Sammlung
Karlheinz Fischer

 
sot9_m_5.gif
AD148: KTT 1969/70
Günther Stabe

 
d_siemens_ad148_1.png
AD148: Siemens Halbleiter Datenbuch 1965/66
Thomas Günzel


Usage in Models 1= 1962?? ; 12= 1963 ; 18= 1964 ; 28= 1965 ; 25= 1966 ; 6= 1967?? ; 2= 1967? ; 20= 1967 ; 13= 1968 ; 1= 1969? ; 6= 1969 ; 1= 1970?? ; 7= 1970 ; 1= 1971? ; 1= 1973? ; 1= 1975?? ; 6= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):149


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