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991T1

Information - Help 
ID = 35499
       
Country:
France
Brand: Thomson (marque), Thomson-Houston (CFTH); Paris
Tube type:  Transistor   Audio Frequency 
Identical to 991T1
Similar Tubes
Normally replaceable-slightly different:
  2N191 ; 2N192 ; 965T1 ; 990T1 ; 992T1 ; OC70
Base Wires
Description

PNP germanium junction transistor intended as AF amplifier / driver.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 9 x 7 x mm / 0.35 x 0.28 x inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   
to9_22.gif 991T1: TTT Steidle 1981
Günther Stabe † 19.8.20
991t1-thomson-doc-s_1.png
991T1: Thomson Houston
Patrice Zeissloff
Usage in Models 2= 1957 ; 4= 1958? ; 11= 1958 ; 1= 1959? ; 10= 1959 ; 1= 1960?? ; 2= 1960? ; 4= 1960 ; 4= 1961 ; 4= 1962 ; 1= 1963 ; 1= 1964 ; 1= 1965?? ; 1= 1966?? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48
 
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