SURFACE MOUNT LED LAMPS
High Brightness Type Mini-molded chip LEDs
SML31* Series
Blue Package Size (mm) GaN on SiC 428nm 468nm InGaN on SiC 525nm Green
1608 (0603) 1.6×0.8 t=0.8 SML310BAT
Note) "-" will be taken out for emitting color B/E series.
SML311BBT
SML312BCT
SML311EBT
SML312ECT
■ Absolute Maximum Ratings(Ta=25℃)
Emitting dissipation color PD
■ External Dimensions(Unit:mm)
1.6 +0.2 0 1.2
Part No.
SML310BAT SML311BBT SML312BCT SML311EBT SML312ECT
94
70 20 5 -30 to +85 -40 to +100
0.25 1.0 Terminal
0° 30° 30°
Blue
84 100
0.8 Cathode mark
Green
*IFP measured under duty ≦1/10,1kHz.
■ Electrical Optical Characteristics(Ta=25℃)
Forward voltage VF
Typ. (V) SML310BAT SML311BBT SML312BCT SML311EBT SML312ECT 3.8 IF (mA)
Part No.
Resin Color
Reverse current IR
Max. (µA) VR (V)
Light wavelength Peak Half-wave ∆λ λp
Typ. (nm) 428 Typ. (nm) 65 26 36 36 20 IF (mA)
Brightness IV
Tolerance:±0.1
Min. Typ. IF ( mcd) (mcd) (mA) 1.4 14 22 36 90 3.6 22 63 90 200
60° 60°
■ Directivity
20
X’ Y’
Transparent Clear
3.5 3.8
20
100
5
468 523 518
0.8
Peak Forward Reverse Operating Stotage forward current voltage temperature temperature current IF VR Topr Tstg *IFP (mW) (mA) (V) (°C) (°C) (mA) Power
90° 100
50
0
50
90° 100
Relative brightness (%)
(Typ.)
■ Recommemded Pad Layout
■ Packaging Spacifications(Unit:mm)
Tape Spacifications:T86〈3,000pcs/reel〉 Reel Spacifications
0.8
Lavel Position
Feeding direction
0.8
4 2 1.75 3.5 1.9 5.5 8 φ1.5
0.8
0.85
φ13
1.0
1.1 (Unit:mm)
0.5
φ60 φ180
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.
11.4
SURFACE MOUNT LED LAMPS
■ Electrical Characteristic Curves
Forward Current - Forward Voltage
100
Relative Luminous Intensity - Case Temperature
SML310BAT
1.6
SML310BAT
IF=20mA
Ta=25℃
RELATIVE LUMINOUS INTENSITY
SML311BBT SML312BCT SML311EBT SML312ECT
SML311BBT SML312BCT SML311EBT
FORWARD CURRENT : IF (mA)
1.4 1.2 1.0 0.8 0.6 0.4 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
SML312ECT
10
1 2.8
3.0
3.2
3.4
3.6
3.8
4.0
FORWARD VOLTAGE : VF (V)
CASE TEMPERATURE : Ta (℃)
Relative Luminous Intensity - Forward Current
RELATIVE LUMINOUS INTENSITY(%)
150 Ta=25℃
Ratio of Maximum Tolerable Peak Current - Pulse Duration
SML310BAT SML311BBT
200Hz 10 100Hz 10kHz 2kHz 1kHz
SML310BAT SML311BBT SML312BCT SML311EBT SML312ECT
SML312BCT
100
SML312ECT
IFP Max/IF Max
SML311EBT
5 3.5
50
0
1
0
5
10
15
20
1
10
100
1000
10000
FORWARD CURRENT : mA
PULSE DURATION : Tw (μs)
Derating
MAXIMUM FORWARD CURRENT : (mA) 30
SML310BAT SML311BBT SML312BCT
20
SML311EBT SML312ECT
10
0 -20 -10 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE : Ta (℃)
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
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