> How can I Calculate the maximum current for a specific track ? > Or how to calculate track width based on desired max current... > And, i need it to work with track thickness / width in micros or mm, and on COPPER based pcb's... I use a nice VB utility from UltraCAD. One can find it, and some other nice PCB utilities at: http://www.ultracad.com/pcbtemp.zip See the description at http://www.ultracad.com/calc.htm -d -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.