Hi Colin, Sorry, I can't help with a source for the diodes but I am curious: why do you say this is foolish? Because of the danger? The schematic in the link you sent is the power supply itself, not the device it is intended to be used for (which sounds like it is some kind of air filter) Sean On Sun, Apr 20, 2008 at 8:20 AM, cdb wrote: > > The specs required are VRRM 17KV min @ 3mA, the man foolishly wants to > build an Electro-static power supply for this - > > http://www3.telus.net/chemelec/Projects/Electrostatic/Electrostatic-Sc > h.png > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist