Author Topic: Whats a substitute for BC547 BC557?  (Read 15948 times)

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Wild Zebra

Whats a substitute for BC547 BC557?
« on: May 17, 2006, 07:59:38 AM »
    Is there a sub?  Maybe a 2N----, And if so what about pin out?



Thanks
"your stripes are killer bro"

spudulike

Re: Whats a substitute for BC547 BC557?
« Reply #1 on: May 17, 2006, 10:32:07 AM »
BC547 is generic medium gain npn. Use a 2N5088 or 2N5089.
BC557 is complimentary pnp (to the BC547). Use a 2N5087.

Unless you need higher gain, you could use a 2N3904 npn and a 2N3906 pnp.

Whats it for ?

zjokka

Re: Whats a substitute for BC547 BC557?
« Reply #2 on: May 17, 2006, 10:48:04 AM »
Spudu, you beat me to   8)

maybe the link is still useful, it renders some more results even:

http://www.ee.washington.edu/circuit_archive/parts/cross.html

Transistor Search Results
Keyword: bc547
BC546           BC547                                                                         
BC547           2SC945          2SC828A
-----------------
Transistor Search Results
Keyword: BC557
BC557           2SA733          2SA1015


Bookmark 'm -- hope this helps.
ZJ