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990T1

Information - Help 
ID = 35514
       
Country:
France
Brand: Thomson (marque), Thomson-Houston (CFTH); Paris
Tube type:  Transistor   Audio Frequency 
Identical to 990T1
Similar Tubes
Normally replaceable-slightly different:
  965T1 ; 989T1 ; 991T1 ; 992T1

Base Wires
Description

PNP germanium junction transistor intended as AF amplifier.
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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_25.gif 990T1: TTT Steidle 1981
Günther Stabe † 19.8.20

991t1-thomson-doc-s.png
990T1: Thomson Houston
Patrice Zeissloff

Usage in Models 1= 1957? ; 1= 1958 ; 1= 1959 ; 4= 1961

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
990t1_thomson_tr.jpg

 

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