SURFACE MOUNT LED LAMPS Standard Type Mini-molded chip LEDs SML-310 Series Green Pure Green Package Size （mm） Yellow Orange GaP Red GaAlAs on GaAs GaAsP on Gap 555nm 570nm 585nm 610nm 650nm 660nm SML-310PT SML-310MT SML-310YT SML-310DT SML-310VT SML-310LT 1608 (0603) 1.6x0.8 t=0.8 ■ 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 Green SML-310YT Yellow SML-310DT Orange SML-310VT Red SML-310LT Red 55 20 60 60 25 75 4 -30 to +85 0.8 Pure Green SML-310MT -40 to +85 0.25 SML-310PT 0.8 Part No. 1.6 ＋0.2 0 1.2 Emitting dissipation color PD Cathode mark ＊IFP measured under duty ≦1/ 5,pulse width ≦1ms. ■ Electrical Optical Characteristics（Ta=25℃） Part No. Resin Color Forward voltage VF Typ. (V) SML-310PT SML-310DT Max. (µA) VR (V) 2.2 SML-310MT SML-310YT IF (mA) Reverse current IR Transparent Clear SML-310VT SML-310LT 2.1 2.0 1.75 20 100 4 Light wavelength Peak Half-wave λp ∆λ Typ. (nm) Typ. (nm) IF (mA) Min. ( mcd) 1.4 4 3.6 16 2.2 6.3 40 650 25 660 20 ■ Directivity Typ. IF (mcd) (mA) 570 610 Tolerance:±0.1 Brightness IV 555 585 Terminal 1.0 1.4 4 3.6 16 X’ 0° Y’ 30° 20 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 Forward Current - Forward Voltage 1.6 SML-310PT Ta=25℃ RELATIVE LUMINOUS INTENSITY FORWARD CURRENT : IF (mA) 50 Relative Luminous Intensity - Case Temperature SML-310MT 20 SML-310YT 10 SML-310DT 5.0 SML-310VT 2.0 SML-310LT 1.0 0.5 0.2 0.1 1.5 2.0 2.5 SML-310PT IF=20mA SML-310YT SML-310DT 1.2 SML-310VT 1.0 SML-310LT 0.8 0.6 0.4 3.0 SML-310MT 1.4 −20 FORWARD VOLTAGE : VF (V) 0 20 60 40 80 CASE TEMPERATURE : Tc (℃) Relative Luminous Intensity - Forward Current 3.0 2.5 DC 2.0 DF=50% 1.5 1.0 20% 15% 0.5 0 0 10% 5% 10 20 30 40 50 60 PEAK FORWARD CURRENT : IF peak (mA) SML-310PT f=1kHz SML-310YT DC 2.0 DF=50% 20% 0 0 SML-310DT 100Hz 200Hz 500Hz 1kHz 2kHz 5kHz 10kHz 20kHz 50kHz RATIO of MAXIMUM TOLERABLE PEAK CURRENT 100 1000 SML-310VT PULSE DURATION : Tw (μs) 10000 20 30 40 50 60 Derating SML-310LT 10 10 PEAK FORWARD CURRENT : IF peak (mA) SML-310YT 1 15% 10% 5% 0.5 SML-310MT 1 SML-310LT 1.0 SML-310PT 3 SML-310DT SML-310VT 1.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration 10 SML-310MT 2.5 MAXIMUM FORWARD CURRENT : IF Max. (mA) RELATIVE LUMINOUS INTENSITY f=1kHz RELATIVE LUMINOUS INTENSITY 3.0 SML-310PT SML-310MT 30 SML-310YT SML-310DT 20 SML-310VT SML-310LT 10 0 0 10 20 30 40 50 60 70 80 AMBIENT TEMPERATURE : Ta (℃) 90 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