Data Sheet
（2.5）
24.0Min.
Cathode
5.4
φ3.8
φ3.1
□0.4
Tolerance : ±0.2
（unit : mm）
2.5 or 5.0
2.01.0 ±0.1
（unit : mm）
＊:Duty1/10, 1kHz
Part No. Chip
Structure
Emitting
Color
Absolute Maximum Ratings (Ta＝25℃) Electrical and Optical Characteristics (Ta＝25℃)
Power
Dissipation
P
D
(mW)
Forward
Current
I
F
(mA)
Peak Forward
Current
I
FP
(mA)
Reverse
Voltage
V
R
(V)
Operating
Temperature
Topr(℃)
Storage
Temperature
Tstg(℃)
Forward Voltage V
F
Reverse Current I
R
Dominant Wavelength Luminous Intensity I
V
Typ.(V)
I
F
(mA)
Max.
(μA) VR(V) λD
Typ.(nm)
I
F
(mA)
Min.
(mcd) Typ.
(mcd)
I
F
(mA)
■SLI-343URC(W)
AIGaInP
on GaAs
Red
125 50 200＊9 -25 to +85 -30 to +100 1.9 20 100 9
620
20
36 200
20
■SLI-343DC(W)
Orange
605 56 300
■SLI-343YC(W) Yellow 587
36
200
■SLI-343UR(W) Red 620 160
■SLI-343DU(W)
Orange
605 56 250
■SLI-343YY(W) Yellow 587 36 160
Viewing angle 2θ 1/2 / 40: Low current consumption
RELATIVE INTENSITY(%)
10°
10° 20°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0 50 10050100
0°
30°
60°
90°
30°
60°
90°
RELATIVE INTENSITY (%)
Diffused
Clear
Specifications
Dimensions
Recommended Solder Pattern
Viewing Angle
Features
・Viewing angle 2θ 1/2 : 40°
・Low power consumption
・Competent to direct mount
Color
Type U D Y
SLI-343（W） Series
1/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.12 - Rev.A
Forward Current-Forward Voltage
Electrical Characteristics Curves
Luminous Intensity-Atmosphere Temperature
Luminous Intensity-Forward Current
Derating
SLI-343(W) Series
10
1
100
0.1
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF
(V)
2.0 2.5
1.0 1.5 3.0
Ta=25°C ■■
SLI-
343
URC(W)
■
SLI-
343
UR(W)
■
SLI-
343
DC(W)
■
SLI-
343
DU(W)
■
SLI-
343
YC(W)
■
SLI-
343
YY(W)
MAXIMUM FORWARD CURRENT：IF(mA)
AMBIENT TEMPERATURE：Ta
(°C)
0
20
40
10
30
50
-40 -20 0 20 40 60 80 100
■■
SLI-
343
URC(W)
■
SLI-
343
UR(W)
■
SLI-
343
DC(W)
■
SLI-
343
DU(W)
■
SLI-
343
YC(W)
■
SLI-
343
YY(W)
10.0
0.1
1.0
0.01
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF
(mA)
10
1 100
Ta=25°C ■■
SLI-
343
URC(W)
■
SLI-
343
UR(W)
■
SLI-
343
DC(W)
■
SLI-
343
DU(W)
■
SLI-
343
YC(W)
■
SLI-
343
YY(W)
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100
1.6 IF=20mA ■
■
■
SLI-
343
URC(W)
■
SLI-
343
UR(W)
■
SLI-
343
DC(W)
■
SLI-
343
DU(W)
■
SLI-
343
YC(W)
■
SLI-
343
YY(W)
2/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.12 - Rev.A
SLI-343(W) Series
Rank Reference of Brightness
Part No. Construction
Packing Specification
ROHM LED products are being shipped with desiccant (silica gel) concluded in moisture-proof bags.
Pasting the moisture sensitive label on the outer surface of the moisture-proof bags or enclosing the humidity indication card inside the bag is available upon request.
Please contact the nearest sales office or distributer if necessary.
Viewing
angle
(2ɵ1/2)
Brightness Rank E F G H J K L M N P Q R S T U V
Brightness
(mcd)
Resin Color
0.40 to
0.63 0.63 to
1.0
1.0 to
1.6 1.6 to
2.5 2.5 to
4.0 4.0 to
6.3 6.3 to
10 10 to
16 16 to
25 25 to
40 40 to
63 63 to
100
100 to
160 160 to
250 250 to
400 400 to
630
φ3
Circular type 40˚
Transparent Colored
※SLI-343URC(W)
Diffused Colored ※SLI-343UR(W)
Red (U) （Ta=25˚C, IF＝20mA）
（Ta=25˚C, IF＝20mA）
（Ta=25˚C, IF＝20mA）
Orange (D)
Viewing
angle
(2ɵ1/2)
Brightness Rank E F G H J K L M N P Q R S T U V
Brightness
(mcd)
Resin Color
0.40 to
0.63 0.63 to
1.0
1.0 to
1.6 1.6 to
2.5 2.5 to
4.0 4.0 to
6.3 6.3 to
10 10 to
16 16 to
25 25 to
40 40 to
63 63 to
100
100 to
160 160 to
250 250 to
400 400 to
630
φ3
Circular type 40˚
Transparent Colored
※SLI-343DC(W)
Diffused Colored ※SLI-343DU(W)
Yellow (Y)
Viewing
angle
(2ɵ1/2)
Brightness Rank E F G H J K L M N P Q R S T U V
Brightness
(mcd)
Resin Color
0.40 to
0.63 0.63 to
1.0
1.0 to
1.6 1.6 to
2.5 2.5 to
4.0 4.0 to
6.3 6.3 to
10 10 to
16 16 to
25 25 to
40 40 to
63 63 to
100
100 to
160 160 to
250 250 to
400 400 to
630
φ3
Circular type 40˚
Transparent Colored
※SLI-343YC(W)
Diffused Colored ※SLI-343YY(W)
∗ Concerning the Brightness rank
• Please refer to the rank chart above for luminous intensity classification.
• Part name is individual for each rank.
• When shipped as sample, the part name will be a representative part name.
General products are free of ranks. Please contact sales if rank appointment is needed.
S L I 3 4 3 Y T 3 2 S
Series name Package type Emitting Color Resin Color Rank sign
(Brightness Rank)∗
Termination shape and taping specifications
Special Code
U
D
Y
R<Red>
Diffused Colored
<Orange>
Diffused Colored
<Yellow>
Diffused Colored
<Green>
Diffused Colored
Transparent
Colored
U
Y
G
C
Red:620nm
Orange:605nm
Yellow:587(590)nm
3F 1-Element straight bulk
See taping specifications
C W
T
3/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.12 - Rev.A
※Brightness on specification sheet include tolerance of within ±10%.
R1010
A
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
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