Cree, Inc. of DURHAM, N.C., now has XLamp XM-L LEDs available in neutral- and warm-white color temperatures (2600-K to 5000-K CCT). In warm-white (3000-K), XLamp XM-L LEDs provide up to 117 lumens per watt at 350 mA and 108 lumens per watt at 700 mA. The neutral-white (4000-K) XM-L LEDs provide up to 138 lumens per watt at 350 mA, 128 lumens per watt at 700 mA and 84 lumens per watt when driven at 3.0 A.
Unlike competing LED's that use large-footprint packages and diffuse optical sources to deliver hundreds of lumens, XM-L LEDs use a compact footprint and small optical source size allowing manufacturers to control light output and place light exactly where it is required. “Cree is the only LED manufacturer currently delivering production volumes of warm- and neutral-white LEDs at these performance levels,” said Paul Thieken, Cree, director of marketing.
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