ROHM SML

SURFACE MOUNT LED LAMPS
High Brightness Type Mini-molded chip LEDs
SML-412 Series
Green
Package Size
(mm)
AlGaInP on GaAs
570nm
1608
(0603)
1.6×0.8
t=0.4
SML-412MW
■ 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)
1.6
1.2
Power
Green
65
25
60
4
-30 to +85
-40 to +85
(0.14)
0.26
0.4
SML-412MW
0.8
Part No.
Emitting dissipation
color
PD
LED
*IFP measured under duty ≦1/ 5,pulse width ≦1ms.
■ Electrical Optical Characteristics(Ta=25℃)
Part No.
SML-412MW
Resin Color
Milky White
Typ.
(V)
2.1
Reverse
current
IR
Light wavelength
Brightness
IV
Peak Half-wave
∆λ
λp
IF
(mA)
Max.
(µA)
VR
(V)
Typ.
(nm)
Typ.
(nm)
IF
(mA)
( mcd)
Min.
20
100
4
570
18
20
14
0.65
Forward
voltage
VF
Terminal
0.8
Typ.
IF
(mcd) (mA)
40
20
Tolerance:±0.1
■ Directivity
X’
0°
Y’
30°
30°
60°
60°
90°
100
50
0
90°
100
50
Relative brightness (%)
(Typ.)
■ Packaging Spacifications(Unit:mm)
Tape Spacifications:T86〈5,000pcs/reel〉
Reel Spacifications
Lavel Position
0.8
0.8
Feeding direction
4
3.5
5.5
1.85
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
0.95
(Unit:mm)
8
1.75
φ1.5
0.8
0.85
2
φ13
0.5
φ60
φ180
11.4
■ Recommemded Pad Layout
SURFACE MOUNT LED LAMPS
■ Electrical Characteristic Curves
Forward Current - Forward Voltage
SML-412MW
RELATIVE LUMINOUS INTENSITY
10.0
1.0
1.5
2.0
2.5
IF=20mA
1.4
1.2
1.0
0.8
0.6
0.4
−20 −10 0
3.0
FORWARD VOLTAGE : VF (V)
CASE TEMPERATURE : Tc (℃)
Ratio of Maximum Tolerable Peak Current - Pulse Duration
SML-412MW
10
1
10
MAXIMUM FORWARD CURRENT : IF Max. (mA)
Derating
SML-412MW
10
0
0
10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE : Ta (℃)
10
100
1000
PULSE DURATION : Tw (μs)
FORWARD CURRENT : (mA)
20
2.4
1
1
100
30
10kHz
100
SML-412MW
10
Ta=25℃
IFP Max/IF Max
RELATIVE LUMINOUS INTENSITY(%)
Relative Luminous Intensity - Forward Current
1000
10 20 30 40 50 60 70 80
200Hz
100Hz
0.1
1.0
SML-412MW
1.6
Ta=25℃
2kHz
1kHz
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