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