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
AIGaInP on
GaAs
Red
125 50 200＊
9
-25 to +85
-30 to +100
1.9
20 100 9
620
20
90
450
20
■SLI-343DC
Orange
605 500
■SLI-343YC Yellow 587 350
■SLI-343MC
Yellowish
Green
62 25 100＊-25 to +80 2.1 572 56 200
■SLI-343UR Red
125 50 200＊-25 to +85 1.9
620
90 350
■SLI-343DU
Orange
605
■SLI-343YY Yellow 587 300
■SLI-343MG
Yellowish
Green
62 25 100＊-25 to +80 2.1 572 56 180
Viewing angle 2θ 1/2 / 40: High luminous intensity
5(/$7,9(,17(16,7<

 

















RELATIVE INTENSITY (%)
Diffused
Clear
Specifications
Dimensions
Recommended Solder Pattern
Viewing Angle
Features
・Viewing angle 2θ 1/2 : 40°
・High brightness
・Competent to direct mount Color
Type U D YM
SLI-343 Series
1/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
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
■
SLI-
343
UR
■
SLI-
343
DC
■
SLI-
343
DU
■
SLI-
343
YC
■
SLI-
343
YY
■
SLI-
343
MC
■
SLI-
343
MG
5(/$7,9(/80,1286,17(16,7<DX
$70263+(5(7(03(5$785(：7D

$&







 ,) P$




5(/$7,9(/80,1286,17(16,7<DX
)25:$5'&855(17：,)
P$

 
7D &
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
■
SLI-
343
UR
■
SLI-
343
DC
■
SLI-
343
DU
■
SLI-
343
YC
■
SLI-
343
YY
■
SLI-
343
MC
■
SLI-
343
MG
■
■
■
SLI-
343
URC
■
SLI-
343
UR
■
SLI-
343
DC
■
SLI-
343
DU
■
SLI-
343
YC
■
SLI-
343
YY
■
SLI-
343
MC
■
SLI-
343
MG
■
■
■
■
SLI-
343
URC
■
SLI-
343
UR
■
SLI-
343
DC
■
SLI-
343
DU
■
SLI-
343
YC
■
SLI-
343
YY
■
SLI-
343
MC
■
SLI-
343
MG
Forward Current-Forward Voltage
Electrical Characteristics Curves
Luminous Intensity-Atmosphere Temperature
Luminous Intensity-Forward Current
Derating
SLI-343 Series
2/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
SLI-343 Series
Rank Reference of Brightness
Part No. Construction
Red (U) （Ta=25˚C, IF＝20mA）
（Ta=25˚C, IF＝20mA）
（Ta=25˚C, IF＝20mA）
（Ta=25˚C, IF＝20mA）
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
Diffused Colored ※SLI-343UR
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
Diffused Colored ※SLI-343DU
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
Diffused Colored ※SLI-343YY
Green (M)
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-343MC
Diffused Colored ※SLI-343MG
&RQFHUQLQJWKH%ULJKWQHVVUDQN
3OHDVHUHIHUWRWKHUDQNFKDUWDERYHIRUOXPLQRXVLQWHQVLW\FODVVLILFDWLRQ
3DUWQDPHLVLQGLYLGXDOIRUHDFKUDQN
:KHQVKLSSHGDVVDPSOHWKHSDUWQDPHZLOOEHDUHSUHVHQWDWLYHSDUWQDPH
*HQHUDOSURGXFWVDUHIUHHRIUDQNV3OHDVHFRQWDFWVDOHVLIUDQNDSSRLQWPHQWLVQHHGHG
6 / , <7

6HULHVQDPH 3DFNDJHW\SH (PLWWLQJ&RORU 5HVLQ&RORU 7HUPLQDWLRQVKDSHDQGWDSLQJVSHFLILFDWLRQV
5DQNVLJQ%ULJKWQHVV5DQN
8
'
<
0
55HG!
'LIIXVHG&RORUHG
2UDQJH!
'LIIXVHG&RORUHG
<HOORZ!
'LIIXVHG&RORUHG
*UHHQ!
'LIIXVHG&RORUHG
7UDQVSDUHQW
&RORUHG
8
<
*
&
5HGQP
2UDQJHQP
<HOORZQP
<HOORZLVK*UHHQQP
) (OHPHQWVWUDLJKWEXON
6HHWDSLQJVSHFLILFDWLRQV
&6
7
※Brightness on specifi cation sheet include tolerance of within ±10%.
3/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.12 - Rev.B
R1120
A
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
Notice
ROHM Customer Support System
http://www.rohm.com/contact/
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact us.
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the
consent of ROHM Co.,Ltd.
The content specied herein is subject to change for improvement without notice.
The content specied herein is for the purpose of introducing ROHM's products (hereinafter
"Products"). If you wish to use any such Product, please be sure to refer to the specications,
which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
Great care was taken in ensuring the accuracy of the information specied in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
The technical information specied herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.
The Products specied in this document are intended to be used with general-use electronic
equipment or devices (such as audio visual equipment, ofce-automation equipment, commu-
nication devices, electronic appliances and amusement devices).
The Products specied in this document are not designed to be radiation tolerant.
While ROHM always makes efforts to enhance the quality and reliability of its Products, a
Product may fail or malfunction for a variety of reasons.
Please be sure to implement in your equipment using the Products safety measures to guard
against the possibility of physical injury, re or any other damage caused in the event of the
failure of any Product, such as derating, redundancy, re control and fail-safe designs. ROHM
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed
scope or not in accordance with the instruction manual.
The Products are not designed or manufactured to be used with any equipment, device or
system which requires an extremely high level of reliability the failure or malfunction of which
may result in a direct threat to human life or create a risk of human injury (such as a medical
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-
controller or other safety device). ROHM shall bear no responsibility in any way for use of any
of the Products for the above special purposes. If a Product is intended to be used for any
such special purpose, please contact a ROHM sales representative before purchasing.
If you intend to export or ship overseas any Product or technology specied herein that may
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to
obtain a license or permit under the Law.