Tony, On Sun, 28 Oct 2007 23:58:24 +1100, Tony Smith wrote: > > > may have been low ESR, just how do you tell anyway? > > > > ESR meter ? > > > I suppose, but wouldn't it read high anyway? The ones that go bang would be > really high. A bit moot as I don't have an ESR meter. Err - hang on, I think you have this backwards. The problem is high ESR - you want it to be low, especially in a Power Supply. Cheers, Howard Winter St.Albans, England -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist