On Thu, Jan 9, 2014 at 6:53 AM, cdb wrote: > On Wed, 8 Jan 2014 18:03:02 +1300, RussellMc wrote: > :: Not exactly jellybean pricing (probably 2 to 3 $ in 1's) > > IRL1004PBF RS =3D AU$2.38 E-14 AU$4.95 -> $6.00 per each > > IRL3803PBF RS & E-14 approx AU$4.00 per each > > Mouser same dollar amounts but in US$ > > Digikey cheaper. > Hmm similar prices for both (and a bit more expensive than that) at Farnell/RS in the UK - I'm sure IRL1004 was rather cheaper than that when I was buying a few of them several years ago - the reason for going with that rather than the IRL3803 was that the 3803 was rather expensive in comparison, though maybe it's the IRL3803 which has got cheaper. Anyway for the application efficiency was important as battery runtime was a major issue, so worth paying a bit more for low Rds - now I've switched from halogen to LED and the FET has been replaced by a switching converter and inductor (and the PIC by an AVR) which aren't cheaper! Chris --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .