What can substitute for the BC557 and BC547?

Thanks

Bob

Rick C. wrote:
> BC183 is an NPN general purpose in a TO92. Looks like a PN2222 or 2N3904 would
> work. The BC213 looks like its complimentary device (PNP). A PN2907 or 2N3906
> should work. The BC550 seems like it could also be replaced by the PN2222 also.
> For most small signal circuits under 40 volts and from 20 mhz down to DC
> switching, the above devices should sub out.
> Rick
>
> "David J. Kloc" wrote:
>
>
>>I am incorporating a portion of an old circuit into one of my designs.  The
>>old circuit uses
>>European coded transistors.  I have been unable to easily identify a US
>>equivalent on the
>>Web.  Some of the parts that I am attempting to translate are the BC183,
>>BC213 and
>>BC550C.  Is there a list of equivalents (i.e. 2Nxxxx) out there that
>>someone can direct me
>>to?  Recommendations for equivalents would also be welcome.
>>
>>Thanks
>>
>>Dave Kloc" <dkloc@worldnet.att.net>
>>
>>--
>
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--
Bob Cochran
Greenbelt, Maryland, USA
http://greenbeltcomputer.biz/

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