Homebrew_PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:

> On Sun, 10 Jul 2005 23:26:59 +0200, Phil <phil1960us@y...> wrote:
>
> >
> > Except in this case the datasheets claim the same Hfe numbers for
> > both. Wonder if they are really both Bs. It wouldn't be the first
> > time a manufacturer labled higher spec parts as lower.
>
>
> The abc is not always the same for different manufacturers (all the

specs

> can be different).
> Also, some have numbers like -10 -15 -20 and so on instead of the

letters.

> Luckily few circits are really gain-sensitive, or we would be in real
> trouble ;-)
>
> ST

Yes, in fact H&H explicitly talk about avoiding that in their section
on trasistors.