I have fat traces....and I have about 1cm clearance, which I believe to be adequate. Thanks! -marc On Mon, Oct 6, 2008 at 5:17 PM, alan smith wrote: > Just as an aside, if this is small quantities, take a look at Bias Power. > They make some very small power supply modules, nearly the size of a > transformer, and fairly well regulated. > > Nothing really special about what your doing, just keep the > creepage/clearance rules in mind if your going after certification with it. > Don't skimp on trace widths either, keesp the inductance down. > > I also assume the 2.8KVa is the isolation on the transformer > > > --- On Mon, 10/6/08, Marc Nicholas wrote: > > > From: Marc Nicholas > > Subject: [EE] first adventure puting an AC supply on a PCB > > To: "Microcontroller discussion list - Public." > > Date: Monday, October 6, 2008, 1:18 PM > > Hi all, > > > > Looking for advice on any pitfalls or recommendations for > > putting an > > AC transformer (pretty small - 110VAC primary, 9VAC > > secondary, 2.8KVA) > > onto a PCB design. > > > > Post transformer, I'll do the classic rectifier make of > > diodes > > (1N4004s)/LM7805 equivalent/bypass caps. > > > > Any pointers appreciated! > > > > -marc > > > > > > Sent from my iPhone > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist