Cree Redefines High-Voltage LEDs

Oct 25, 2011 Cree just announced the commercial availability of high-voltage XLamp® XT-E and XM-L LEDs. These new LEDs can enable the use of more efficient, smaller drivers to lower cost for compact lighting applications such as candelabras and retrofit lamps.

Small-form-factor lighting, like candelabras, historically presented a host of challenges for LED technology. Prior LEDs were unable to deliver the required system-level performance in the form factor consumers demand.

“Maximizing the LED voltage, as Cree has done in the new high-voltage XM-L and XT-E LEDs, is a very effective way to minimize current through the LED driver output rectifier,” said Peter Vaughan, director of applications engineering, Power Integrations, Inc. “This can reduce losses and heat dissipation in the driver and increase the overall system luminous efficacy by several percentage points.”

The XLamp XM-L LED delivers up to 600 lm in Cool White (6000K) and up to 462 lm in Warm White (3000K) at 6W, 85°C. The XLamp XT-E LED delivers up to 300 lm in Cool White (6000K) and up to 228 lm in Warm White (3000K) at 6W, 85°C. Both LEDs have a typical voltage of 46V at binning conditions.

XLamp XT-E and XM-L LEDs are available now in production quantities with standard lead times. For more information about Cree high-voltage LEDs, please visit www.creehighvoltage.com. To locate a distributor, please visit www.cree.com/buyxlamp.

Source: http://www.cree.com/press/press_detail.asp?i=1317907138173

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