Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "J" <wyninejr@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Sunday, February 19, 2006 3:04 AM
Subject: [Homebrew_PCBs] AC to PCB


> Does anyone have idea about how to attach an AC line to a PCB board?
> I have a transformer that is actually on the board itself. Is this a
> good/bad idea? Do I basically drill a whole and stick the wire
> through the hole and solder it one? I can't seem to find any
> connector type stuff on digikey. Also, I plan to have a floating
> ground on the other side of the transformer...i.e. electrical
> isolation. Should any grounded part of the board be connected to the
> netural line on the AC? Should there is some kind of connection such
> as through a transient supressor? Any help is appreciated. Also,
> should there be any type of noise supression on the AC side of the
> board? What about grounding planes on the AC side? Thanks!

AC mains voltage, presumably. I'd put an IEC filtered connector on the
enclosure, with suitable terminals on the PCB. I like the two part ones
which plug together, like these:

<
http://www.rapidelectronics.co.uk/rkmain.asp?PAGEID=80010&CTL_CAT_CODE=30236&STK_PROD_CODE=M34159&XPAGENO=1 >

Leon

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