[sdiy] Cannot find % of precision of 2N2223 matched pair ..

Tom Bugs admin at bugbrand.co.uk
Tue Jan 14 14:47:38 CET 2014


First google search for "2N2223 Datasheet"
http://www.alldatasheet.com/datasheet-pdf/pdf/99265/CENTRAL/2N2223.html
Suggests 20%

On 14/01/2014 13:40, Jean-Pierre Desrochers wrote:
> Can any body come with the percentage of precision
> of a 2N2223 NPN matched pair can ?
> I could find some specs on that part but nothing
> is said about the precision of the NPN transistors pair..
> For example SSM2210 trannys are 0.5%, LM394 are 2% matched.
>
> Any finds welcome.
> J-Pierre
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