On Fri, 30 Aug 2002, Dave Dilatush wrote: > Dale wrote... > > >Yeah... Dave like MOSFETs. 8-) 'Course he's right too. My yard lights > >tell me so every night. > > Did you get those low on-resistance MOSFETs yet to cure the heat > problem? IIRC, your original pair were getting hotter'n a > two-dollar pistol, and the replacements were expected to run > lukewarm. Do they? More or less. More than lukewarm, but not plastic-melting hot either. IRLZ34's are kinda toasty but manageable with about 8-9A of current. The next rev board will have provisions for two pair and heat sinks (which I'm using now, but little bitty ones). It's been running a couple of months now without any drama. Dale -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads