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T1691

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ID = 37827
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Developer: Texas Instruments, Dallas 
Tube type:  Transistor   RF/IF-Stage 
Identical to T1691 = T-1691 = 2N1727
Similar Tubes
Normally replaceable-slightly different:
  2N1726
Base Wires
Description PNP germanium alloy high-frequency transistor.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 6 x 9 x mm / 0.24 x 0.35 x inch
Weight 1 g / 0.04 oz
Information source
to_1_tvt~~7.gif T1691: TVT 73
Günther Stabe † 19.8.20
Usage in Models 1= 1960?? ; 1= 1960 ; 1= 1961? ; 1= 1962?? ; 1= 1962? ; 1= 1962 ; 1= 1964? ; 1= 1971??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8
 
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