On Tue, Sep 13, 2011 at 8:53 AM, Electron wrote: > > Hi! > can a 1 mm2 conductor carry thousands of amperes for very short times? (u= S or less) > > I mean, is there an intrinsic limit, other than temperature (which for pu= lsed operation > if the average is low, should not pose problems) and of course Joule effe= ct (I^2*R)? > > Greets, > Mario I have done repeated (about 5Hz rep. rate) capacitor discharge tests at >2KA with the capacitor leads being 1.2mm diameter tinned copper. The discharge was a decaying sinusoid (ringing at resonant LC frequency) that typically lasted 200us. I could never noticeably heat the leads unless the connection was bad. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .