Those appear to be the same as what I've been using. I have my=20 purchaser digging up where we get them from and how much they cost. dwayne At 04:08 PM 1/9/2015, Kerry wrote: >These are the cheapest that I have found > >http://www.dipmicro.com/store/HDR40X1MM > >Kerry --=20 Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax www.trinity-electronics.com Custom Electronics Design and Manufacturing --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .