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17 February 2015

Cree launches CXA2 LED arrays, boosting efficacy by 33% and cutting system cost by 60%

LED chip, lamp and lighting fixture maker Cree Inc of Durham, NC, USA has supplemented its XLamp CXA LED array family with CXA2 LED arrays, which deliver up to 33% higher efficacy in the same form factors.

Utilizing elements of the firm's SC5 Technology Platform, the improvement in lumen density enables better performance and greatly reduces system size and cost. The new chip-on-board (COB) LEDs allow lighting manufacturers to rapidly deliver more innovative solutions for applications such as track, downlight and outdoor lighting, claims Cree.

"We are working together with Cree to evaluate their latest COB technology," says Massimo Parravicini, R&D director of Italy-based lighting manufacturer Reggiani Illuminazione. "The new CXA2 LED arrays, which deliver excellent performance in such small LES [light emitting surface], would be a great solution for the new generation of indoor luminaires we are currently developing," he believes. 

With the new CXA2 LED arrays, lighting manufacturers can achieve the same or better performance with a smaller LES compared with earlier products. For example, a 3800 lumen output from a larger 19mm LES LED can be replaced with a smaller 12mm LES LED, resulting in up to 60% system cost savings from lower LED, mechanical and optic material costs, it is reckoned.

CXA2 LED arrays share the same physical design as earlier arrays, allowing lighting manufacturers to leverage the existing optical, mechanical and electrical design elements to accelerate time to market without additional cost. LM-80 data is available for all CXA2 LED arrays for lighting manufacturers seeking ENERGY STAR qualification. The arrays are also UL-recognized components and feature a level 4 rating.

Through improvements in the light conversion process, Cree has reduced LED-to-LED color variations and, among other options, offers CXA2 LED arrays in 2-step and 3-step EasyWhite bins. To address a wide variety of applications, the arrays are available with color temperatures of 2700-6500K, a color-rendering index (CRI) of 70, 80 or 90 and with multiple voltage options and LES range of 6-30mm with a lumen range of 250-19,000lm. Product samples are available now, and production quantities are available with standard lead times.

See related items:

Cree launches XLamp CXA LED arrays with increased lumen density

Cree extends XLamp CXA family with 68% brighter LED array

Cree launches high-density class of XLamp CXA LED arrays

Cree expands CXA LED product family

Cree introduces new higher-light-output CXA2540 and CXA3050 LEDs

Cree introduces new lighting-class LED arrays

Tags: Cree LEDs

Visit: www.cree.com/cxa2

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