> they also don't turn off just by bringing VGE to zero I can vouch for the ISL9V5036 IGBT turning on and off very smartly driven by a PIC pin through a 1k gate resistor Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.5646 / Virus Database: 4281/9068 - Release Date: 02/06/15 --=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 .