substituting transistors

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dean1979

Active member
Joined
Jul 19, 2005
Messages
36
Location
uk
sorry i know this is naughty (put it in the other forum as well)but if i get this answered for the weekend a i am sorted. Could nyone tell me if these 2 transistors:

A)mpsa56
doc: http://www.fairchildsemi.com/ds/MP/MPSA56.pdf

B)bc182
doc: http://www.fairchildsemi.com/ds/BC/BC182B.pdf

with a couple of these
bc640
doc: http://www.maplin.co.uk/Media/product_pdfs/vr07.pdf


I have been trying to fit the transistor peramiters within the maximums, is the right sort of thing to do?
cheers
 
What is the question?

The first sheet shows a PNP, the second shows an NPN, the Mapin part is PNP. They can't all be interchangable.
 

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