The LUXEON CoB from Lumileds is a LED with Forward Voltage 32.5 to 56.3 V, Forward Current 200 to 2250 mA, Luminous Flux 244 to 32380 lm, Operating Temperature -40 to 150 Degree C, Storage Temperature -40 to 120 Degree C. More details for LUXEON CoB can be seen below.