Whats a substitute for BC547 BC557?

[Wild Zebra]

    Is there a sub?  Maybe a 2N----, And if so what about pin out?



Thanks

[spudulike]

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]

Spudu, you beat me to   

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