I thought about it........seems like you'd have to try it to see how much benefit would be derived...... Mark Skeels Engineer Competition Electronics, Inc. TEL: 815-874-8001 FAX: 815-874-8181 www.competitionelectronics.com M. Adam Davis wrote: > [SNIP] > Have you looked at using copper and plated through holes to make PCB > heat sinks for the resistors? It can make a huge difference. > > -Adam > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist