> > So a 15V/400mA diode would do. But I would pick an 1N4004, > becase that > > is my 'mid-current' yellybean diode. > > As long as the relay is not going to get turned on again > before the current > from the last on phase decays and the diode turns off. The > reverse recovery > time of 1N4004 is rather slow, so otherwise you get some > nasty effects if > you turn the switch on while the diode is still conducting. What would be a sure-reliable suggestion? something like an 1N5819? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist