Vishay IL300 for instance; https://datasheet.octopart.com/IL300-Vishay-datasheet-16918.pdf figure 18 on the datasheet has an amusing schematic where the Greek ohm character is accidentally expressed in the english character set, giving resistances of "30 KW". --=20 James Cameron http://quozl.netrek.org/ --=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 .