Indeed Peter, TIP31 is rated at 40W. Thanks.

Chetan Bhargava
http://microz.blogspot.com


On Sun, Oct 20, 2013 at 9:36 PM, Peter Johansson <rockets4kids@gmail.com>wr=
ote:

> 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
> there
> > any TO-223 transistors?
> >
> > Thanks.
> >
> > Chetan Bhargava
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