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2N1742

Information - Help 
ID = 45013
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transistor   VHF 
Identical to 2N1742 = 121-228
Similar Tubes
Normally replaceable-slightly different:
  2N1743 ; AF139 ; AF239 ; T1832
Other base and data slightly different:
  AF106

Base SPECIAL TUBEBASE in general
Filament Solid State
Description PNP germanium alloy transistor intended as FM mixer / oscillator.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 8 mm / 0.35 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TTT Steidle 1981
  2n1742.png
  2N1742: Elektr. Jahrb. 1969 S. 160
Egon Strampe
 
to9_9.gif
2N1742: TTT Steidle 1981
Günther Stabe † 19.8.20

 

Usage in Models 1= 1962?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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