> > > These are primarily "one shot" applications, I need tens of pulses per > second. > > Ok, that's a bit more energy. :-) It's been a few years since I looked at capacitive discharge "toys"... But I'm nearly positive that some of them were using semiconductor switching. Beefy hockey-puck IGBTs if memory serves. -Denny --=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 .