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AF139

Information - Help 
ID = 34048
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   UHF 
Identical to AF139 = TVT2
Similar Tubes
Normally replaceable-slightly different:
  2N1742 ; 2N1743 ; 2SA420 ; AF239 ; AFY16 ; GF145 ; GF147 ; GM0290 ; GM0378 ; GM0656 ; T2796 ; T2797 ; ГТ328
Different maximum ratings:
  AF109
Other base and data slightly different:
  159T1 ; 2SA425 ; AF186 ; AM18
First Source (s)
01.Mar.1964 : -- Collector info (Sammler) Arlt Katalog
Predecessor Tubes AF106  
Successor Tubes AF239  

Base Wires
Was used by Radio/TV-reception etc.
Filament Solid State
Description

PNP germanium mesa UHF transistor.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 6 x 5 mm / 0.24 x 0.24 x 0.20 inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   TTT 1981 Steidle
  af139_umgeb.gif
  AF139: Siemens ca.1975
Günther Stabe
 
af139_1.jpg
AF139: Martin Renz
Martin Renz

 
to72_ebcs_23.gif
AF139: Valvo
Günther Stabe

 
af139_data1.png
AF139: Telefunken, Handbuch Halbleiter 1966/67
Michael Schlör


Usage in Models 1= 1961 ; 1= 1962?? ; 2= 1962 ; 3= 1963?? ; 2= 1963? ; 27= 1963 ; 6= 1964?? ; 5= 1964? ; 65= 1964 ; 6= 1965?? ; 4= 1965? ; 83= 1965 ; 7= 1966?? ; 9= 1966? ; 60= 1966 ; 5= 1967?? ; 7= 1967? ; 52= 1967 ; 3= 1968?? ; 7= 1968? ; 35= 1968 ; 1= 1969?? ; 25= 1969? ; 19= 1969 ; 22= 1970?? ; 5= 1970? ; 19= 1970 ; 2= 1971?? ; 5= 1971? ; 10= 1971 ; 6= 1972 ; 3= 1973?? ; 1= 1973 ; 1= 1974 ; 3= 1975?? ; 3= 1975 ; 1= 1976 ; 4= 1978? ; 1= 1980 ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):524



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