author=retrolefty link=topic=138058.msg1036980#msg1036980 date=1355849946]That cap would appear to be C19 in the schematic posted in the product page:http://arduino.cc/en/uploads/Main/Arduino-Pro-Mini-schematic.pdfIf you are finding this cap to fail multiple times on multiple boards, you are most likely subjecting it to too high a raw voltage. The product page list +12vdc to be the maximum voltage to apply to the raw pin. If you apply higher then the maximum rated voltage for the cap (not sure what it's voltage rating is) that could account for your multiple failures. What kind of voltage source are you using to feed the raw input? Is it a regulated voltage or a unregulated source?Lefty
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