Spehro, On Fri, 14 Mar 2008 17:19:23 -0400, Spehro Pefhany wrote: >... > Hydrogen thyratrons are nice if you need high *peak* power.. for example, > you could pick the CX2540 model with a rather respectable 40,000A @ > 120kV rating (4.8 GW). What width of PCB track would you need for this? :-) Cheers, Howard Winter St.Albans, Herts -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist