Emitting Color
Material
Emitting Surface
Dimension(mm)
Part No.
Dimensions (Unit:mm)
:Duty 1/ 5, pulse width 1ms.
Note) Straight taping only.
Tolerance:±0.2
φ3.2
3.3
1.0Max.
CATHODE
R1.6
(5.0)
3.8±0.3
1.0
1.0
φ6.0±0.3
18Min. 5.5±0.3
(C0.2)
(2.2)
(2)
Packaging Specifications (Unit:mm)
Recommended Pad Layout
Straight Type:T31
12.7±1.0
3.85±0.8
12.7±0.3
5.0±0.8
φ4.0±0.2
18.0±1.0
0.7±0.2
5.5±0.3
6.35±0.4
0±2.0
0±1.0
11.0Max.
3.0Max.
18.0
9.0±0.5
φ3.2±0.2
(Unit:mm)
1.0 2.0
5.0
±0.1
Packaging
Tape:2000pcs/Box
240
52
340
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
48 20 60 4
Yellow
Orange
Red
-25 to +85 -30 to +100
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
591
611
630
15
16
18
20
20
(2)
20
(2)
100 4
36
36
36
36
36
36
160(16)
100(10)
160(16)
100(10)
160(16)
100(10)
IF
(mA)
Typ.
(V)
Typ.
(mcd)
Typ.
(nm)
Typ.
(nm)
Min.
(mcd)
IF
(mA)
IF
(mA)
Max.
(µA)
VR
(V)
1.85
(1.80)
1.9
(1.80)
Absolute Maximum Ratings (Ta=25C)
Electrical Optical Characteristics (Ta=25C)
Directivity (Typ.)
05010050100
0°
30°
60°
90°
30°
60°
90°
RELATIVE LUMINOUS INTENSITY (%)
diffused
clear
φ3.2(T-1) Circular Type <5mm Pitch Type>
Low Current Type <Viewing Angle 2θ1/2 : 40°>
SLI-325 Series
φ 3.2
Yellow Orange Red
SLI-325URCT31W
SLI-325URT31WSLI-325YCT31W SLI-325YYT31W SLI-325DCT31W SLI-325DUT31W
AIGaInP on GaAs
Angular Displacement (deg)
2 0.4±0.1
40.5 +0.2
0.1
Peak
forward
current
IFP
(mA)
Part No.
Power
dissipation
PD
(mW)
Forward
current
IF
(mA)
Reverse
voltage
VR
(V)
Operating
temperature
Topr
(°C)
Storage
temperature
Tstg
(°C)
Emitting
color
Part No.
Forward
voltage
VF
Light wavelength
Reverse
current
IR
Brightness
IV
Resin Color
Peak
Half-wave
λp∆λ
Transparent
Colored
Diffused
Colored
Transparent
Colored
Diffused
Colored
Transparent
Colored
Diffused
Colored
Rev.C
Electrical Characteristic Curves
Forward Current - Forward Voltage
Ratio of Maximum Tolerable Peak Current - Pulse Duration
Derating
Relative Luminous Intensity - Forward Current
Relative Luminous Intensity - Case Temperature
SLI-325YCT31W
SLI-325YYT31W
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
----
----
SLI-325YCT31W
SLI-325YYT31W
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
----
1443 13 144443
SLI-325YCT31W
SLI-325YYT31W
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
----
144443
SLI-325YCT31W
SLI-325YYT31W
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
----
144443
SLI-325YCT31W
SLI-325YYT31W
SLI-325YCT31W
SLI-325YYT31W
SLI-325DCT31W
SLI-325DUT31W
SLI-325URCT31W
SLI-325URT31W
----
----
1443 13
RATIO of MAXIMUM TOLERABLE PEAK CURRENT
to MAXIMUM TOLERABLE DC CURRENT
IF
peak
Max.
IF
Max.
50
40
30
20
10
0
-20 -10 0 10 8070 905040 603020
AMBIENT TEMPERATURE : Ta
(°C)
MAXIMUM FORWARD CURRENT : IF
Max. (mA)
FORWARD VOLTAGE : VF
(V)
FORWARD CURRENT : IF
(mA)
100
10
1.7 1.8 1.9 2.0 2.1
1
Ta=25°C
1
1
10
3
10 100 1000 10000
PULSE DURATION : Tw (µs)
10kHz
5kHz
1kHz
500Hz
100Hz
10
100
1000
1 10 100
RELATIVE LUMINOUS INTENSITY (%)
Ta=25°C
FORWARD CURRENT : IF
(mA)
1.4
1.2
1.0
0.8
0.6
0.4
30-20 -10-30 2010040 8060 7050
1.6
RELATIVE LUMINOUS INTENSITY
CASE TEMPERATURE : Tc
(°C)
IF=20mA
Rev.C
Appendix
Appendix1-Rev1.1
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.