Tants have max current ratings. A 16v part may smokeif connected to a low z= 12v source. =20 Barry Gershenfeld wrote: >We, too, have lived through a "flaming tantalum" phase. Caps with not a >lot of margin (12v on a 15v-rated cap, perhaps) would "give up" >spectacularly. What mystifies me is that a "spike" arriving at a capacito= r >should be absorbed by it, not destroyed by it. If said spike was "too >narrow to see" then the low-value ceramic caps around it should absorb it, >and if it's a long duration spike thought to have enough energy to overcom= e >the cap, then we should have been able to see it on a 'scope. This withou= t >considering where spikes would be coming from off a regulated supply in th= e >first place. Needless to say, we found another way to filter our power >traces. >--=20 >http://www.piclist.com PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .