Thanks all for your suggestions.

I have taken the 3pin library part, 5pin footprint approach, there being three Pin2's on the footprint: the normal middle pin, another for the large mounting hole & one surface mount pin to give copper pad & soldermask antipad (which of course moves with the component). This looks fairly bulletproof as long as pin2 is *always* the one that is connected to the tab of a TO220!

--
Regards,

Dom

Dom Bragge, CID MIEEE  | Silverbrook Research PL, PO Box 207
Snr PCB Layout Engr    | Balmain NSW 2041, AUSTRALIA
Ph +61-2-9818-6633xt163| [EMAIL PROTECTED]



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