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| NSSLT02A-V1 Datasheet, PDF (4/18 Pages) NICHIA CORPORATION – rohs compliant | |||
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NICHIA STS-DA1-3397B <Cat.No.150710>
Center Point
Minor Axis
Major Axis
Ellipse Rotation Angle
Rank
Rank
Rank
Rank
Rank
Rank
sm405da sm405db sm405dc sm405dd sm405de sm405df
x
0.392
y
0.392
a
0.006785
b
0.015470
Φ
-35.95
Rank
Rank
Rank
Rank
sm455da sm455db sm455dc sm455dd
x
Center Point
y
0.369
0.378
Minor Axis
a
0.006420
Major Axis
b
0.015015
Ellipse Rotation Angle
Φ
-34.33
* Ranking at TS=25°C.
* Forward Voltage Tolerance: ±0.05V
* Luminous Flux Tolerance: ±7%
* Color Rendering Index Ra Tolerance: ±2
* Color Rendering Index R9 Tolerance: ±6.5
* The R9 value for the above rank shall be greater than 0.
* Chromaticity Coordinate Tolerance: ±0.005
* LEDs from the above ranks will be shipped.
The rank combination ratio per shipment will be decided by Nichia.
Rank
sm455de
Rank
sm455df
Definition of the MacAdam ellipse ranks:
60°
A perfect circle is divided
into 60 degree-sections
and then transformed
into the MacAdam ellipse
that is presented
on the chromaticity diagram
in this document.
b
Φ
a
3
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