Homebrew PCBs

Try this page for creepage and clearance distances:
http://www.harkis.harting.com/WebHelp/EGds/WebHelp/GBgdsCreepage_and_clearance_distances.htm

Clearance is the size of the gap. Creepage is the distance of the path 
around the cutout, in the case of conductive contaminant buildup.

mickeym


Dave Mucha wrote:

>Hi all,
>
>I'm looking to measure a 300 volt line and drop it to 5 volts.   One 
>of the many problems is that there is also the potential of a 15kV 
>spike on the line.
>
>I would appreciate any help finding parts that can withstand the high 
>voltage.   And any links to information on what to watch out for.
>
>
>But, for this group.  Does anyone have any ideas on how to determine 
>the slices in a PCB around chips ?   I would like to isolate the 15kV 
>pulse from the rest of the board.   A second board is a very good 
>possibility.
>
>VERY open to suggestions.
>
>Dave
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>Be sure to visit the group home and check for new Bookmarks and files:
>http://groups.yahoo.com/group/Homebrew_PCBs 
>Yahoo! Groups Links
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