>Mount 10 of these in series on a small pcb you get to make and
>measure R (miliohms). Then compute the maximum current such that
>Pd <= 80mW or so (this is conservative for power but better safe than
sorry).

>Of course it is better if you get the data from the manufacturer ...

Of course, try here, and download the application note (second one on the
page)
Includes info on low R SMD devices for current measurement (up to 3W
available).

I'm sure that American manufacturers will have similar components available
if you cannot get these.

http://www.welwyn-tt.com/products/app_notes.html

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