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How about FR4 copper thickness?
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Jul 19.2019, 10:28:43
If buying a stack of blank double sided 1.5mm PCBs, without knowing specifically what they will be used for, would you buy 35u (1oz) or 70u (2oz) boards? I understand that thicker layers are needed for high currents (duh), but other than cost is there any drawback to using 70u boards? I will be "isolation milling" them, if that makes any difference.
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