On 2/15/06, Olin Lathrop wrote: > > David VanHorn wrote: > > The positive temp > > coefficient will tend to help you here, otherwise it would go into > > runaway, with the hot diode taking more current till it pops. > > Which is likely since diode voltage *decreases* with temperature. Whoops. I thought it was negative but then i corrected myself. It's worse than that though, since only two of the four positions in the bridge are running in parallel. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist