XLamp® CMT Series High-Current LED Arrays Cree LED XLamp® CMT Series High-Current LED Arrays offer excellent lumen output, efficacy, and reliability at high-drive currents. The high-performance CMT Series enables manufacturers to upgrade designs for applications. These applications include track, downlight, and outdoor lighting. The Cree LED XLamp High-Current LED Arrays are housed in industry-compatible packages, 2-step, 3-step, and 5-step EasyWhite® bins.