Cree LED part numbers such as XPEAMB-L1-0000-00301 can be ordered on the DigiKey website with ease, but when these parts show up at your facility they will be marked differently on the reel. As one example, your reel of LEDs may be marked as XPEAMB-L1-A30-P2-C-01, rather than XPEAMB-L1-0000-00301. Is this a case of misshipment or bad parts?
Not at all. The marked number, XPEAMB-L1-A30-P2-C-01 in this example, includes binning and CRI information not present in the base part number. “XPEAMB-L1-0000-00301” is the part number for this LED as a whole, inclusive of all bins, while XPEAMB-L1-A30-P2-C-01 is a subgroup of XPEAMB-L1-0000-00301 adhering to specific bins. For further information, please check the manufacturer’s documentation, available here: XLamp XP-E LED Data sheet