Chip-on-Board LEDs deliver 140lm/W at 3000K for Spotlights and Downlights

October 29, 2019 //By Julien Happich
Designed for spotlights, track lights and PAR lamps, Lumileds’ latest lines of Chip-on-Board (CoBs) LEDs offer a 14% flux improvement versus previous generation devices.

The Luxeon CX Plus CoB (Gen 2), Luxeon CX Plus CoB – High Density and Luxeon CX Plus CoB – High Density (Below BBL), are drop-in upgrades for Lumileds and competing arrays. Delivered in a range of light emitting surfaces (LES) (4.5, 6, 12 and 14mm) and correlated color temperatures of 2700K to 5000K, the Gen 2 arrays provide excellent efficiency of above 140 lm/W at 3000K 80CRI or 122 lm/W at 3000K 90CRI. The High Density version of Luxeon CX Plus CoB provides industry leading punch (center beam candle power) and is available in on-black body locus (BBL) coordinates for halogen-like illumination or below-BBL for ceramic metal halide-like illumination. The Luxeon CX Plus CoB – High Density provides up to 1,150 lumens at 3000K 90CRI from the smallest LES of 4.5mm. Flux is 10% higher than competing CoBs at 6mm and 9mm LES. Offered in three LES (4.5, 6 and 9mm) on 13.35mm x 13.35mm substrate, the arrays cover a range of color temperatures (2700K to 5000K) with a minimum of 80CRI or 90CRI and color control within 3-step or 2-step MacAdam ellipse. For the Below-BBL versions, color temperature range is 2700K to 4000K at a minimum of 95CRI with color control within 3-step or 2-step MacAdam ellipse. All Luxeon arrays utilize a metal core PCB substrate that is more resistant to cracking during luminaire assembly. The low resistance of the MCPCB also provides superior removal of heat from the LED, leading to smaller heatsinks and more compact luminaires.

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