MOSLED EXTREME boards (the white ones) have chemically grown aluminum oxide(alumina ceramic) layer as insulation which is excellent thermal conductor compared to classical MCPCB insulation layers ( basically epoxy+ ceramic powder), performance should be pretty much "DTP - like" for LED applications.
Advantages over copper DTP are:
- electrically insulated - it's possible to use LEDs with electrically non-insulated thermal pad,like OSRAM Oslon (both IR and white), while maintaining DTP - like performance
- very flat surface - this is important for very small LED packages
- lower mass - may be beneficial in headlamps
- high temperature resistance - because there are no laminated epoxy based layers, there is nothing to "melt",burn or de-laminate, board can be re-soldered many times without degradation
Disadvantages:
- harder to solder wires - this is because whole PCB is thermally conductive, unlike DTP, where only central pad is very conductive
So djozz was correct (again)
, Jos please send me PM with address.
There are 9 different versions of mosX boards: 3535,4040,5050,7070,3x3535,3x4040,4x4040,OSLON/LUXEON IR, LUXEON ZES, I will put them on web page soon.
LIke MOSLED pcbs, these boards should be very convenient to drive low Vf LEDs,or in any case where dissipation in mosfet is high (XP-G3,XP-L2,Lux V,SST-40, XHP50.2,XHP70.2,XHP35...) in combination with LD-B4 driver.
I don't know if Luxeon V even fit under Carclo optics,I will try that later, but I'm counting on domless version release of Lux V, sooner or later.
I will do some tests vs. DTP when I find time,but based on older MOSLED pcbs test (mosled extreme has ~7-10times better performance vs mosled), I think difference will be hard to measure.
BTW, OSLON/LUXEON IR version doesn't have pads for mosfet because these LEDs have relatively high Vf, so there is no need to use LD-B4 with separated mosfet, power dissipation is not very high.
