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(℃)
Forw ard V oltage 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
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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
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
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)
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■
■
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
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
SLI-343(W) Series
Rank Reference of Brightness
Part No. Construction
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)
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3/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
※Brightness on specifi cation sheet include tolerance of within ±10%.
R1120
A
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
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