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Transcript
SURFACE MOUNT LED LAMPS Dual-Color Type Chip LEDs with reflector SML-020 Series Package Size (mm) Part No. 3225 (1210) 3.0×2.5 t=1.3 Green Red GaP GaAIAs on GaAs 570nm 660nm ○ ○ SML-020MLT ■ 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 SML-020MLT 3.0 Green 60 Red 25 60 30 75 4 -30 to +85 1.3 2.3 0.5 Red 2.1 2.5 Part No. Emitting dissipation color PD Green -40 to +85 Cathode mark *IFP measured under duty ≦1/ 5,pulse width ≦1ms. ■ Electrical Optical Characteristics(Ta=25℃) Part No. Resin Color Typ. (V) SML-020MLT Transparent Clear IF (mA) Max. (µA) VR (V) 20 100 4 2.2 1.75 Light wavelength Peak Half-wave ∆λ λp Typ. (nm) Typ. (nm) 570 40 660 25 0.8 Reverse current IR Brightness IV 3 IF (mA) 20 2 1 4 3 2 1.5 Forward voltage VF Green 1 Min. Typ. IF ( mcd) (mcd) (mA) 20 9.0 20 16 1.0 Terminal 4 Red Tolerance:±0.1 ■ Directivity Green X’ Red 0° Y’ 30° 30° 60° 60° 90° 100 50 0 90° 100 50 Relative brightness (%) (Typ.) ■ Recommemded Pad Layout ■ Packaging Spacifications(Unit:mm) Tape Spacifications:T86〈2,500pcs/reel〉 1.05 Lavel Position Feeding direction 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. 3.5 8 5.5 3.4 2.9 (Unit:mm) 1.75 φ1.5 0.5 2 1.7 1.0 4 φ13 1.6 φ60 φ180 11.4 0.6 1.7 1.05 Reel Spacifications SURFACE MOUNT LED LAMPS ■ Electrical Characteristic Curves Forward Current - Forward Voltage 1.6 SML-020MLT<Green> Ta=25℃ SML-020MLT<Red> 20 10 5.0 2.0 1.0 0.5 0.2 1.4 1.2 1.0 0.8 0.6 0.1 1.5 2.0 2.5 SML-020MLT<Green> IF=20mA RELATIVE LUMINOUS INTENSITY FORWARD CURRENT : IF (mA) 50 Relative Luminous Intensity - Case Temperature 0.4 3.0 −20 FORWARD VOLTAGE : VF (V) 0 20 40 60 80 CASE TEMPERATURE : Tc (℃) Relative Luminous Intensity - Forward Current 3.0 f=1kHz 2.5 DC 2.0 DF=50% 1.5 1.0 20% 15% 0.5 10% 5% 0 0 10 20 30 40 50 RELATIVE LUMINOUS INTENSITY RELATIVE LUMINOUS INTENSITY 3.0 SML-020MLT<Green> f=1kHz DC 2.0 1.5 DF=50% 1.0 20% 15% 10% 5% 0.5 0 0 60 SML-020MLT<Red> 2.5 PEAK FORWARD CURRENT : IF peak (mA) 10 20 30 40 50 60 PEAK FORWARD CURRENT : IF peak (mA) 2 1 5 10 20 50 102 103 104 PULSE DURATION : Tw (μs) SML-020MLT<Green> 5 SML-020MLT<Red> 1 5 10 20 50 102 MAXIMUM FORWARD CURRENT : IF Max. (mA) SML-020MLT<Red> 30 20 10 10 20 30 40 50 60 70 80 90 100Hz 200Hz 1kHz 500Hz 103 PULSE DURATION : Tw (μs) SML-020MLT<Green> AMBIENT TEMPERATURE : Ta (℃) 2kHz 2 Derating 0 0 5kHz 3 2.5 10kHz 4 20kHz 100Hz 200Hz 500Hz 1kHz 2kHz 5kHz 10kHz 3 2.4 20kHz 4 6 50kHz 5 RATIO of MAXIMUM TOLERABLE PEAK CURRENT IF peak Max. IF Max. to MAXIMUM TOLERABLE DC CURRENT 6 50kHz RATIO of MAXIMUM TOLERABLE PEAK CURRENT IF peak Max. IF Max. to MAXIMUM TOLERABLE DC CURRENT Ratio of Maximum Tolerable Peak Current - Pulse Duration 104 SML-020MLT<Red> 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 LED lamps Table of luminosity rankings Table of luminosity rankings 25 LED lamps Table of intensity rankings Luminous intensity rankings (Units : mcd) (Units : mcd) For more information about rankings, contact your ROHM representative. 26 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 use silicon as a basic material. 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-Rev1.0 LED lamps LED lamps (8) Variation of luminous intensity depending on ambient temperature ROHM LED lights have a temperature coefficient of approximately –1% for red and orange, and 0.5% for yellow and green. (Refer to the luminous intensity vs. case temperature characteristics for each LED type.) Storage precautions Storage in a dry box is best. However, if this is not possible we recommend the following conditions : Temperature : 5 to 30C Humidity : 60%RH max. Recommended PCB We recommend the following hole diameters. Note, however, that these may vary depending on the board material, degree of integration, and wiring. Determine the pulse drive conditions as follows. 1. Decide what repetition frequency (f) and duty factor (DF) will be used. 2. Determine the maximum tolerable peak current ratio from Figure 2. IF peak Max. IF Max. 3. Determine the maximum forward current from Figure 3. For example, when Ta = 40C or above, the maximum forward current (IF Max.) decreases. 4. Calculate the maximum tolerable peak current (IF peak Max.). Example If f = 1 kHz, DF = 10%, and Ta = 40C, the maximum tolerable peak current ratio from Figure 2 is 3.0 for red, orange and yellow, and 2.4 for green. The maximum forward current IF Max. at Ta = 40C is 20 mA for red, orange and yellow, and 25 mA for green. Therefore, the maximum tolerable peak current under these conditions is as follows : Red, orange and yellow . . 20 mA 3.0 = 60 mA Green . . . . . . . . . . . . . . . . . . 25 mA 2.4 = 60 mA For the repetition frequency, we recommend 1 kHz or above. (7) Decrease of rated current The maximum rated forward current of LED lamps will vary depending on the ambient operating temperature. (Refer to Figure 3) LED lamp product names The product names of ROHM LED lamps and chip LEDs are coded as follows : 21