Datasheet

NICHIA STS-DA1-2554A <Cat.No.120709>
2
RANKS
Item Rank Min Max Unit
Forward Voltage - 2.6 3.5 V
P14 51.0 60.5
P13 42.8 51.0
Luminous Flux
P12 36.0 42.8
lm
R
a
80 - -
Color Rendering R8000
R
9
0 - -
Color Ranks
Rank sw27 Rank sw30
x 0.4373 0.4562 0.4813 0.4593 x 0.4147 0.4299 0.4562 0.4373
y 0.3893 0.4260 0.4319 0.3944 y 0.3814 0.4165 0.4260 0.3893
Rank sw35 Rank sw40
x 0.3898 0.3996 0.4299 0.4147 x 0.3670 0.3736 0.3996 0.3898
y 0.3716 0.4015 0.4165 0.3814 y 0.3578 0.3874 0.4015 0.3716
Rank sw45
x 0.3515 0.3548 0.3736 0.3670
y 0.3487 0.3736 0.3874 0.3578
* Ranking at T
S
=25°C.
* Tolerance of measurements of the Forward Voltage is ±0.05V.
* Tolerance of measurements of the Luminous Flux is ±7%.
* Tolerance of measurements of the Color Rendering R
a
is ±2.
* Tolerance of measurements of the Color Rendering R
9
is ±6.5.
* The R
9
value for the above rank shall be greater than 0.
* Tolerance of measurements of the Chromaticity Coordinate is ±0.005.
* A shipment shall consist of LEDs in a combination of the above ranks.
The percentage of each rank in the shipment shall be determined by Nichia.