Document
NICHIA STS-DA1-3397B
NICHIA CORPORATION SPECIFICATIONS FOR WARM WHITE LED
NSSLT02AT-V1
● Pb-free Reflow Soldering Application ● RoHS Compliant
SPECIFICATIONS
(1) Absolute Maximum Ratings
Item
Symbol
Absolute Maximum Rating
Forward Current
IF 130
Pulse Forward Current
IFP
150
Reverse Voltage VR 5
Power Dissipation PD 442
Operating Temperature
Topr
-40~100
Storage Temperature
Tstg
-40~100
Junction Temperature
TJ
120
* Absolute Maximum Ratings at TS=25°C.
* IFP conditions with pulse width ≤10ms and duty cycle ≤10%.
(2) Initial Electrical/Optical Characteristics
Item
Symbol
Condition
Forward Voltage
VF
Reverse Current R8000
Luminous Flux
IR Φv
Chromaticity Coordinate
x y
-
Thermal Resistance
RθJS
* Characteristics at TS=25°C. * Luminous Flux value as per CIE 127:2007 standard.
IF=65mA VR=5V
IF=65mA IF=65mA IF=65mA
-
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* RθJS is Thermal Resistance from junction to TS measuring point.
NICHIA STS-DA1-3397B
Unit mA mA V mW °C °C °C
Typ 3.0
25.0 0.463 0.418 40
Max 65
Unit V μA lm -
°C/W
1
RANKS
NICHIA STS-DA1-3397B
Item Forward Voltage Reverse Current Luminous Flux
Color Rendering Index
Rank
V
Q
-
P11
P10
P9
R8000
Ra R9
Min 3.0 2.8
30.3 25.5 21.4 80
0
Max 3.2 3.0 50 36.0 30.3 25.5
-
Unit V μA
lm
-
Color Ranks
The color rank has a chromaticity range within a 3-step MacAdam ellipse.
Rank
Rank
Rank
sm273d
sm303d
sm353d
Center Point
x 0.463 y 0.418
0.440 0.413
0.415 0.402
Minor Axis
a 0.004056 0.004107 0.004098
Major Axis
b 0.007872 0.008391 0.008796
Ellipse Rotation Angle
Φ
-36.05
-36.00
-35.47
Rank sm403d
0.392 0.392 0.004071 0.009282 -35.95
Rank sm453d
0.369 0.378 0.003852 0.009009 -34.33
The color rank has a chromaticity range within a 5-step MacAdam ellipse.
Rank
Rank
Rank
Rank
sm275da sm275db sm275dc sm275dd
Center Point
x y
0.463 0.418
Minor Axis
a
0.006760
Major Axis
b
0.013120
Ellipse Rotation Angle
Φ
-36.05
Rank sm275de
Rank sm275df
Center Point
Minor Axis Major Axis Ellipse Rotation Angle
Rank
Rank
Rank
Rank
Rank
Rank
sm305da sm305db sm305dc sm305dd sm305de sm305df
x 0.440
y 0.413
a 0.006845
b 0.013985
Φ -36.00
Center Point
Minor Axis Major Axis Ellipse Rotation Angle
Rank
Rank
Rank
Rank
Rank
Rank
sm355da sm355db sm355dc sm355dd sm355de sm355df
x 0.415
y 0.402
a 0.006830
b 0.014660
Φ -35.47
2
NICHIA STS-DA1-3397B
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
Center Point
x 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 Tol.