ROHM SML

SURFACE MOUNT LED LAMPS
Low Current Type (IF≦10mA) Mini-molded chip LEDs
SML-211 Series
Yellow
Package Size
(mm)
Orange
Red
AlGaInP on GaAs
590nm
611nm
630nm
SML-211YT
SML-211DT
SML-211UT
2012
(0805)
2.0×1.25
t=0.8
■ Absolute Maximum Ratings(Ta=25℃)
Peak
Reverse Operating
Stotage
Power Forward
forward
Emitting dissipation current
voltage temperature temperature
current
color
PD
IF
VR
Topr
Tstg
*IFP
(mW) (mA)
(V)
(°C)
(°C)
(mA)
Yellow
SML-211DT
Orange
SML-211UT
Red
44
20
60
4
-30 to +85
-40 to +85
Cathode mark
0.8
SML-211YT
2.0 +0.2
0
1.4
1.25
Part No.
■ External Dimensions(Unit:mm)
0.25
*IFP measured under duty ≦1/ 5,pulse width ≦1ms.
■ Electrical Optical Characteristics(Ta=25℃)
Part No.
SML-211YT
SML-211DT
SML-211UT
Resin Color
Transparent
Clear
Forward
voltage
VF
Reverse
current
IR
Typ.
(V)
IF
(mA)
Max.
(µA)
VR
(V)
1.8
2
100
4
Light wavelength
Peak Half-wave
∆λ
λp
Typ.
(nm)
Typ.
(nm)
590
15
611
16
630
18
IF
(mA)
2
1.2
Terminal
Brightness
IV
Min.
( mcd)
Typ.
IF
(mcd) (mA)
1.4
4
0.9
2.5
Tolerance:±0.1
■ Directivity
2
X’
Y’
0°
30°
30°
60°
60°
90°
100
50
0
90°
100
50
Relative brightness (%)
■ Recommemded Pad Layout
(Typ.)
■ Packaging Spacifications(Unit:mm)
Tape Spacifications:T86〈3,000pcs/reel〉
Reel Spacifications
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.
φ13
1.0
φ60
φ180
11.4
3.5
2.5
5.5
8
1.75
φ1.5
0.5
2
1.25
1.1
Feeding direction
4
1.7
(Unit:mm)
Lavel Position
1.25
1.1
SURFACE MOUNT LED LAMPS
■ Electrical Characteristic Curves
Forward Current - Forward Voltage
SML-211YT
Ta=25℃
SML-211DT
SML-211UT
10.0
2.0
2.5
1.2
1.0
0.8
0.6
0.4
−30−20−10 0 10 20 30 40 50 60 70 80
3.0
FORWARD VOLTAGE : VF (V)
CASE TEMPERATURE : Tc (℃)
Relative Luminous Intensity - Forward Current
SML-211DT
SML-211UT
SML-211UT
10
1
1
10
100
MAXIMUM FORWARD CURRENT : IF Max. (mA)
Derating
SML-211YT
SML-211DT
18
SML-211UT
16
14
12
10
8
6
4
2
0
−30−20−10 0 10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE : Ta (℃)
10
100
1000
PULSE DURATION : Tw (μs)
PEAK FORWORD CURRENT (
: mA)
20
3
1
1
0
0
SML-211YT
10
SML-211DT
10kHz
Ta=25℃
IFP Max/IF Max
RELATIVE LUMINOUS INTENSITY
Ratio of Maximum Tolerable Peak Current - Pulse Duration
SML-211YT
100
SML-211UT
200Hz
100Hz
1.5
SML-211DT
1.4
2kHz
1kHz
1.0
1.0
SML-211YT
1.6
RELATIVE LUMINOUS INTENSITY
100.0
FORWARD CURRENT : IF (mA)
Relative Luminous Intensity - Case Temperature
10000
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
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.
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