NICHIA STS-DA1-2781D <Cat.No.131115>
NICHIA CORPORATION
SPECIFICATIONS FOR WHITE LED
NCSW119BT
●
Pb-free Reflow Soldering Application
●
Built-in ESD Protection Device
●
RoHS Compliant
NICHIA STS-DA1-2781D <Cat.No.131115>
SPECIFICATIONS
(1) Absolute Maximum Ratings
Item
Forward Current
Pulse Forward Current
Allowable Reverse Current
Power Dissipation
Operating Temperature
Storage Temperature
Junction Temperature
Symbol
I
F
I
FP
I
R
P
D
T
opr
T
stg
T
J
Absolute Maximum Rating
1500
2000
85
5.25
-40~100
-40~100
150
Unit
mA
mA
mA
W
°C
°C
°C
* Absolute Maximum Ratings at T
S
=25°C.
* I
FP
conditions with pulse width
≤10ms
and duty cycle
≤10%.
(2) Initial Electrical/Optical Characteristics
Item
Forward Voltage
Luminous Flux
Rnn
Luminous Intensity
Color Rendering Index
Luminous Flux
R70
Luminous Intensity
Color Rendering Index
Luminous Flux
R8000
Luminous Intensity
Color Rendering Index
Chromaticity Coordinate
Thermal Resistance
* Characteristics at T
S
=25°C.
* Luminous Flux value as per CIE 127:2007 standard.
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* R
θJS
is Thermal Resistance from junction to T
S
measuring point.
x
y
Symbol
V
F
Φ
v
I
v
R
a
Φ
v
I
v
R
a
Φ
v
I
v
R
a
-
-
R
θJS
Condition
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
I
F
=350mA
-
Typ
3.1
152
39
-
143
38
73
127
35
83
0.344
0.355
9
Max
-
-
-
-
-
-
-
-
-
-
-
-
12
Unit
V
lm
cd
-
lm
cd
-
lm
cd
-
-
-
°C/W
1
NICHIA STS-DA1-2781D <Cat.No.131115>
RANKS
Item
M2
Forward Voltage
M1
L2
B15
B14
Luminous Flux
B13
B12
B11
B10
Rnn
Color Rendering Index
R70
R8000
R
a
R
a
R
a
R
9
Rank
Min
3.3
3.1
2.9
150
140
130
120
110
100
-
70
80
0
Max
3.5
3.3
3.1
160
150
140
130
120
110
-
-
-
-
-
-
-
-
lm
V
Unit
Color Ranks
Rank b3
x
y
0.2870
0.2950
0.2830
0.3050
0.3040
0.3300
0.3070
0.3150
x
y
0.3070
0.3150
Rank b4
0.3040
0.3300
0.3300
0.3600
0.3300
0.3390
Rank b5
x
y
0.2960
0.2760
0.2870
0.2950
0.3070
0.3150
0.3110
0.2940
x
y
0.3110
0.2940
Rank b6
0.3070
0.3150
0.3300
0.3390
0.3300
0.3180
Rank c1
x
y
0.3300
0.3390
0.3300
0.3600
0.3610
0.3850
0.3570
0.3610
x
y
0.3300
0.3180
Rank c2
0.3300
0.3390
0.3570
0.3610
0.3560
0.3510
Rank sw50
x
y
0.3366
0.3369
0.3376
0.3616
0.3548
0.3736
0.3515
0.3487
* Ranking at T
S
=25°C.
* Forward Voltage Tolerance: ±0.05V
* Luminous Flux Tolerance: ±7%
* Color Rendering Index R
a
Tolerance: ±2
* Color Rendering Index R
9
Tolerance: ±6.5
* The R
9
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.
2
NICHIA STS-DA1-2781D <Cat.No.131115>
Luminous Flux Ranks by Color Rank, Color Rendering Index Rank
Ranking by
Luminous Flux
Ranking by
Color Coordinates,
Color Rendering Index
b3,b5
b4,b6
c1,c2
sw50
R70
R70
Rnn
R70
R8000
B10
B11
B12
B13
B14
B15
3
NICHIA STS-DA1-2781D <Cat.No.131115>
CHROMATICITY DIAGRAM
0.45
0.40
sw50
c1
c2
0.35
b4
y
黒½放射軌跡
0.30
Blackbody Locus
b3
b5
b6
5310K
4745K
0.25
0.20
0.20
0.25
0.30
x
0.35
0.40
0.45
4
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