On Mon, Jun 18, 2012 at 9:35 AM, Electron wrote: > Usually I make holes as tight as possibile, so that the TH components don= 't > fall on the floor if I turn the board, but I can still insert them withou= t > making a war. > > Will this hole tolerance be still OK also for PTH, or must I make larger > holes? High current will go through this connector and pads, so I really > want to make sure that both sides are very well soldered. Not exactly an answer, but take a look at SparkFun. One of their guys wrote up a little tutorial about staggering the pins in a multipin header connector so that the part would hold itself in to the board. Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. =A0 =A0 =A0 =A0 -Douglas Adams --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .