SURFACE MOUNT LED LAMPS
Standard Type Back-fire chip LEDs(Reverse package)
SML-810 Series
Green
Package Size
（mm）
GaP
570nm
3412
(1305)
3.4×1.25
t=1.1
SML-810MT
■ Absolute Maximum Ratings（Ta=25℃）
■ External Dimensions（Unit：mm）
Peak
Forward
Reverse Operating
Stotage
forward
current
voltage temperature temperature
current
IF
VR
Topr
Tstg
＊IFP
（mW） （mA）
（V）
（°C）
（°C）
（mA）
3.4
1.2
Power
Emitting dissipation
color
PD
SML-810MT
65
Green
25
60
4
-30 to +85
R1.25
-40 to +85
1.25
Part No.
.3
R0
Resist
4-
0.28
1.1
＊IFP measured under duty ≦1/ 5,pulse width ≦1ms.
■ Electrical Optical Characteristics（Ta=25℃）
Part No.
Resin Color
SML-810MT
Forward
voltage
VF
Typ.
(V)
Transparent Clear 2.2
Reverse
current
IR
Light wavelength
Peak Half-wave
∆λ
λp
Cathode mark
Brightness
IV
IF
(mA)
Max.
(µA)
VR
(V)
Typ.
(nm)
Typ.
(nm)
IF
(mA)
( mcd)
Min.
20
100
4
570
40
20
5.6
Typ.
IF
(mcd) (mA)
16
Terminal
1.8
20
Tolerance:±0.1
■ Directivity
SCANNING ANGLE(deg)
X’
0°
Y’
30°
30°
60°
60°
90°
100
50
0
90°
100
50
Relative brightness (%)
(Typ.)
■ Recommemded Pad Layout
■ Packaging Spacifications（Unit：mm）
Tape Spacifications：T86〈3,000pcs／reel〉
Reel Spacifications
1.25
Lavel Position
Feeding direction
4
φ13
1.2
φ60
φ180
11.4
3.5
5.5
3.7
The recommended thickness of the screen mask
for soldering is between 100 and 200μm. The
hole size of the screen mask should be same as
the recommended land pattern or smaller.
0.5
φ2.4
1.5
（Unit：mm）
8
1.75
φ1.5
4.2
Hole
2
SURFACE MOUNT LED LAMPS
■ Electrical Characteristic Curves
Forward Current - Forward Voltage
1.6
SML-810MT
Ta=25℃
RELATIVE LUMINOUS INTENSITY
20
10
5.0
2.0
1.0
0.5
0.2
0.1
2.5
1.2
1.0
0.8
0.6
0.4
3.0
−20
FORWARD VOLTAGE : VF (V)
Relative Luminous Intensity - Forward Current
DF=50%
1.0
20%
15%
0.5
10%
5%
20
30
40
50
60
PEAK FORWARD CURRENT : IF peak (mA)
MAXIMUM FORWARD CURRENT : IF Max. (mA)
Derating
SML-810MT
30
20
10
0
0
10
20
30
40
50
60
70
60
80
80
AMBIENT TEMPERATURE : Ta (℃)
90
SML-810MT
5
100Hz
200Hz
500Hz
3
2.4
1kHz
4
2kHz
DC
2.0
10
40
6
5kHz
2.5
RATIO of MAXIMUM TOLERABLE PEAK CURRENT IF peak Max.
IF Max.
to MAXIMUM TOLERABLE DC CURRENT
RELATIVE LUMINOUS INTENSITY
f=1kHz
0
0
20
Ratio of Maximum Tolerable Peak Current - Pulse Duration
SML-810MT
3.0
1.5
0
CASE TEMPERATURE : Tc (℃)
10kHz
2.0
1.4
20kHz
1.5
SML-810MT
IF=20mA
50kHz
FORWARD CURRENT : IF (mA)
50
Relative Luminous Intensity - Case Temperature
2
1
5 10 20 50 102
103
PULSE DURATION : Tw (μs)
104
Appendix
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
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whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
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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.
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.
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.
Appendix1-Rev1.1