Yea, I thought of that too. Mark Skeels Engineer Competition Electronics, Inc. TEL: 815-874-8001 FAX: 815-874-8181 www.competitionelectronics.com On 1/20/2011 4:04 PM, Vitaliy wrote: > Do you have canned CO2? Try spraying the MOSFET continuously with liquid = gas > as you increase the current past 8.9A. If it's an insufficient heatsinkin= g > issue, you will be able to go past 9A without the fuse blowing. > > Vitaliy > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .