TIP31 is probably the most generic NPN BJT part.  Very cheap and easy to
find.

-p.


On Sun, Oct 20, 2013 at 1:28 AM, Chetan Bhargava <cbhargava@gmail.com>wrote=
:

> Hello,
>
> What is a common (abundant and possibly cheap)  5W NPN transistor
> available? My max load voltage is 14V.
>
> I believe that the smallest / common package I can use is TO-220. Are the=
re
> any TO-223 transistors?
>
> Thanks.
>
> Chetan Bhargava
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