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AD139

Information - Help 
ID = 33999
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to AD139
Similar Tubes
Normally replaceable-slightly different:
  2SB474
Different maximum ratings:
  AD148 ; GFT3008
First Source (s)
Mar.1960 : -- Collector info (Sammler)
Predecessor Tubes OC30  

Base SPECIAL TUBEBASE in general
Filament Solid State
Description PNP germanium alloy transistor intended as power amplifier 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 5 g / 0.18 oz
Literature -- Collector info (Sammler)   KTT 1969/70
  ad139.png
  AD139: F T 14/63 S.509
Egon Strampe
 
ad139~~1.jpg
AD139: g.k.
Günter Kudicke

 
sot9_m_6.gif
AD139: KTT 1969/70
Günther Stabe

 
ad139_data1.png
AD139: Telefunken, Handbuch Halbleiter 1966/67
Michael Schlör


Usage in Models 1= 1963? ; 4= 1963 ; 9= 1964 ; 2= 1965?? ; 3= 1965? ; 11= 1965 ; 4= 1966 ; 1= 1967?? ; 3= 1967? ; 3= 1967 ; 1= 1968?? ; 2= 1968 ; 1= 1969 ; 3= 1970 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):50


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