BACK OF PIR CIRCUIT BOARD

SIMPLEARKANSAN

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I READ A COUPLE OF DAYS AGO ON SOMEONE'S POST ABOUT PUTTING SILICONE ALL OVER THE BACK OF THEIR PIR CIRCUIT BOARD TO PREVENT CORROSION.  DOES THIS IMPEDE CONDUCTIVITY, OR DOES EVERYTHING CONTINUE TO WORK OK.  I JUST MOUNTED MY CIRCUIT BOARD WITH NYLON SPACERS ON THE INSIDE OF MY HOUSING AND WAS LOOKING FOR A WAY TO COVER THE BARE BOARD.  IF ANYONE HAS TRIED THIS PLEASE LET ME KNOW.  THANKS.
 



Archilochus

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Hi SA,
You can use many types of sealers to protect the PC boards without problems - but read *all* the istructions on the tube first!!  Some sealers are mildly corrisive to copper, aluminum, and other metals - especially during the drying process.

When I home-brew a PC board, I just spray all surfaces with Krylon clear lacquer - it works very well to pevent corrosion and allows easy repair, if needed, since the lacquer just burns off in the area of the repair.  Avoid getting the spray into adjustable components like switches or potentiometers.

Good Luck!,
Archilochus
 

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