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2N4291

Information - Help 
ID = 39815
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transistor   Universal 
Identical to 2N4291
Similar Tubes
Normally replaceable-slightly different:
  BC559

Base Wires
Description

PNP silicon planar transistor intended as AF low power amplifier / universal purpose.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, Towers ITVL

to92_36.gif 2N4291: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20

More ...
2n4291_dat.png
2N4291: National Semiconductor 1978
Heinz Höger

Usage in Models 1= 1960?? ; 2= 1965?? ; 1= 1966?? ; 4= 1967?? ; 1= 1967 ; 2= 1968?? ; 1= 1968? ; 6= 1968 ; 2= 1969?? ; 2= 1969? ; 6= 1969 ; 6= 1970?? ; 10= 1970 ; 1= 1971?? ; 2= 1972?? ; 4= 1972? ; 6= 1972 ; 4= 1973 ; 2= 1974?? ; 1= 1974? ; 2= 1974 ; 2= 1975?? ; 2= 1977?? ; 1= 1980??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):71

Collection of

 
transistor_2n4291.jpg

2N4291
 

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