Russell, On Wed, 26 Apr 2006 16:28:51 +1200, Russell McMahon wrote: > Memories of university years :-) > > > Old ?TO66? metal can transistors make a very nice bang and broadside > of debris when mains-assisted. Turn power off before inserting. Check > thrice. Which I, long ago, once failed to do :-). But only once. > Did you mean TO3? And were you aware that some of the large power transistors, such as 2N3055, contain Beryllium, which is something that you *really* don't want to breathe in, or otherwise ingest? 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