At 01:59 PM 2/25/2003 +1300, you wrote: >I've always thought (but might be mistaken) that "fast" diodes just >turned OFF faster than regular diodes, and they don't necessarily >turn ON any faster. For a catch diode accros a relay the most >important is turn ON time, right?, so there is no benefit in using >anything more expensive than a 1N400x? You are correct. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body