Datasheet
DS101 LUXEON R Product Datasheet 20140709 ©2015 Lumileds Holding B.V. All rights reserved. 17
LUXEON R 5-step MacAdam Ellipse Color Denition
Tested at 700mA D.C. & Junction Temperature = 85°C
Table 8. LUXEON R Product Characteristics
Part
Number
Nominal
ANSI CCT
Color Space
Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Ellipse
Rotation
Angle
LXA7-PW30 3000K
Single 5-step MacAdam ellipse (0.4338, 0.4030) 0.01390 0.00680 53.22
LXA7-PW40 4000K
Single 5-step MacAdam ellipse (0.3818, 0.3797) 0.01565 0.00670 53.72
LXA7-PW50 5000K
Single 5-step MacAdam ellipse (0.3447, 0.3553) 0.01370 0.00590 59.62
LXA7-PW57 5700K
Single 5-step MacAdam ellipse (0.3287, 0.3417) 0.01243 0.00533 59.09
LXA7-PW65 6500K
Single 5-step MacAdam ellipse (0.3123, 0.3282) 0.01115 0.00475 58.57
Notes for Table 8:
1. Lumileds maintains a tester tolerance of ±0.005 on x, y color coordinates.
Forward Voltage Bins
Table 9 lists minimum and maximum V
f
bin values per emitter (tested and binned at 700mA). Although several bins
are outlined, product availability in a particular bin varies by production run and by product performance.
Table 9. V
f
Bins
Bin Code
Minimum Forward Voltage
(V)
Maximum Forward Voltage
(V)
P 2.50 2.75
R 2.75 3.00
S 3.00 3.25
Notes for Table 9:
1. Minimum luminous ux performance within published operating conditions. Lumileds maintains a tolerance of ±6.5% on luminous ux measurements.