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| LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only LED SMD Pb Lead-Free Parts LG-020WK-DT DATA SHEET DOC. NO : REV. DATE : : QW0905-LG-020WK-DT A 13 - Feb - 2006 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 1/13 Features: 1. Side view white LED. 2. white SMT package. 3. Leadframe package with individual 2 pin. 4.Wide viewing angle. 5.Soldering methods:IR reflow soldering. 6.Feature of the device:more light due to higher optical efficiency;extremely wide viewing angle;ideal for backlighting and coupling in light guide. 7.ESD protection. 8.Pb free Descriptions: The LG-008 SMD has wide viewing angle,low power consumption and white LEDs are devices which are materialized by combing blue LEDs and special phos phors.This feature makes the LED ideal for light guide application. Applications: 1. LCD back light. 2. Mobile phones. 3. Indicators. 4. Switch lights. Device Selection Guide: PART NO LG-020WK-DT MATERIAL InGaN/GaN COLOR Emitted White Lens Yellow Diffused LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 2/13 Package Dimensions 0.7 0.63 Cathode 2.3 6X 0.75 1.2 1.9 0.63 0.7 0.6 3.6 0.45 3.8 Andoe Polarity Note : 1.All dimension are in millimeter tolerance is O 0.1mm unless otherwise noted. 2.Specifications are subject to change without notice. Recommended Soldering Pad Dimensions 1.5 2.1 1.5 0.85 Note : The tolerances unless mentioned is O 0.1mm,AngleO 0.5. Unit=mm. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 3/13 Absolute Maximum Ratings at Ta=25 J Parameter Power Dissipation Peak Forward Current Duty 1/10@10KHz Forward Current Reverse Current @5V Electrostatic Discharge Operating Temperature Storage Temperature Soldering Temperature Symbol PD IFP IF Ir ESD Topr Tstg Tsol Ratings 80 100 20 50 2000 -40 ~ +85 -40 ~ +90 Max 260J for 5 sec Max UNIT mW mA mA g A V J J Typical Electrical & Optical Characteristics (Ta=25 J) Items Chromaticity Coordinates Symbol CIE_x CIE_y Min. ------960 ------- Typ. 0.28 0.28 1100 3.3 110 Max. ---------------- Unit ---- Condition IF=20mA ---mcd V deg IF=20mA IF=20mA IF=20mA Luminous Intensity Forward Voltage Viewing Angle Iv VF 2c 1/2 Note : 1.The forward voltage data did not including 0.1V testing tolerance. 2. The luminous intensity data did not including 10% testing tolerance. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 4/13 Luminous Intensity Classification (at 20mA) Iv(mvd) BIN CODE Min. V-2 W-1 W-2 960 1160 1400 Max. 1160 1400 1670 Forward Voltage Classification (at 20mA) BIN CODE 1 2 3 4 Vf(v) Min. 2.8 3.0 3.2 3.4 Max. 3.0 3.2 3.4 3.6 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 5/13 Chromaticity Coordinates Specifications For Bin Grading BIN X 0.26 Y 0.265 0.225 0.240 0.280 0.280 0.240 0.255 0.295 0.295 0.255 0.270 0.310 0.310 0.270 0.285 0.325 0.325 0.285 0.300 0.340 B1 0.26 0.27 0.27 0.27 B2 0.27 0.28 0.28 0.28 B3 0.28 0.29 0.29 0.29 B4 0.29 0.30 0.30 0.30 B5 0.30 0.31 0.31 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 6/13 CIE Chromaticity Diagram B5 B4 B B2 B1 B3 Notes: 1.Tolerance of CIE Chromaticity coordinate(x.y) 0.01. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 7/13 Typical Electro-Optical Characteristics Curve WK CHIP Fig.1 Forward current vs. Forward Voltage Fig.2 Relative Intensity vs. Forward Current 3.0 Forward Current(mA) 1000 100 10 1 01 1.0 2.0 3.0 4.0 5.0 Relative Intensity Normalize @20mA 2.5 2.0 1.5 1.0 0.5 0.0 1 10 100 1000 Forward Voltage(V) Fig.3 Forward Voltage vs. Temperature Forward Current(mA) Fig.4 Relative Intensity vs. Temperature Forward Voltage@20mA Normalize @25J Relative Intensity@20mA Normalize @25J 100 1.2 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 0 20 40 60 80 100 1.1 1.0 0.9 0.8 -40 -20 0 20 40 60 80 Ambient Temperature(J) Ambient Temperature(J) Fig.5 Luminous Spectrum(Ta=25J) SPECTRAL RADIANCE 100 80 Intensity 60 40 20 0 400 500 600 700 800 Wavelength (nm) LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 8/13 Carrier Type Dimensions 2 4 1. 5 1.75 Cathode 5.5 12 4 Andoe 4 0.279 0.72 Polarity 1.35 Note : The tolerances unless mentioned is O 0.1mm,Angle O 0.5. Unit=mm. E Packing Specifications Label Aluminum Moist-Proof bag Label Part No. LG-020WK-DT Description 12mm tape,7"reel Quantity/Reel 5000 devices LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Page 9/13 Label Explanation uOqlu*~N/|-1/2q LIGITEK LED LIGITEK ELECTRONICS CO., LTD. Pb BIN : Luminous Intensity HUE : Chromaticity Coordinates (CIE_x , CIE_y) PART NO. : LG-020WK-DT LOT NO. : 93000499 Q'TY(PCS) : 5000 PCS BIN/HUE : W-1 / B2 Vf:3.0 - 3.2 3.0 - 3.2 : Forward Voltage Reel Dimensions 2.5O 0.5 0.8 0.6 0.4 0.2 178O 1.5 60O 1.0 0.4 r 13.5O 1.0 0.2 0.6 0.8 13.2O 1.0 16.2O 1.0 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-008WK-DT Page 10/13 Box Explanation 1. 5 BAG / INNER BOX 2. INNER BOX SIZE : L X W X H 23cm X 8.5cm x 26cm H W L 3. 10 INNER BOXES / CARTON 4. CARTON SIZE : L X W X H 49cm X 46cm x 29cm L W H LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Soldering Iron: Basic spec is O 5 seconds when 260 J. Power dissipation of iron should be smaller than 25W,and temperature should be controllable. Surface temperature of the device should be under 280 Jfor 3 seconds. Page 11/13 Reflow Temp/Time(Pb-free) 260 C Max. 5 sec. Max. 1 - 5 C / sec 180 - 200C Pre-heating 1 - 5 C / sec 120sec.Max. 60sec.Max. Above 220C Reflow Temp/Time(Lead solder) Temp. (J) 240 Rising +5J/sec Cooling -5J/sec 150 120 Preheat 60 ~ 120 sec 5sec Time Note: 1.Reflow soldering should not be done more than two times. 2.When soldering,do not put stress on the LEDs during heating. 3.After soldering,do not warp the circuit board. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Precautions For Use: Storage time: 1.The operation of Temperatures and RH are : 5 J~35J,RH60%. 2.Once the package is opened, the products should be used within a week. Otherwise, they should be kept in a damp proof box with descanting agent. Considering the tape life, we suggest our customers to use our products within a year(from production date). 3.If opened more than one week in an atmosphere 5 J ~ 35J,RH60%, they should be treated at 60JO 5 Jfo r 15hrs. Page 12/13 Drive Method: LED is a current operated device, and therefore, requirer some kind of current limiting incorporated into the driver circuit. This current limiting typically takes the form of a current limiting resistor placed in series with the LED. Consider worst case voltage variations than could occur across the current limiting resistor. The forwrd current should not be allowed to change by more than 40 % of its desired value. Circuit model A LED Circuit model B LED (A) Recommended circuit. (B) The difference of brightness between LED could be found due to the VF-IF characteristics of LED. Cleaning: Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LED. ESD(Electrostatic Discharge): Static Electricity or power surge will damage the LED. Use of a conductive wrist band or anti-electrosatic glove is recommended when handing these LED. All devices, equipment and machinery must be properly grounded. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only PART NO. LG-020WK-DT Reliability Test: (1)Test items and results Classification Test Item Test Condition 1.Ta=Under Room Temperature As Per Data Sheet Maximum Rating. 2.If=20mA 3.t=1000 hrs Page 13/13 Sample Size Operating Life Test 22 High Temperature Storage Test Endurance Test Low Temperature Storage Test 1.Ta=105 J 5J 2.t=500 hrs 22 1.Ta=-40 JO 5J 2.t=1000 hrs 22 High Temperature High Humidity Storage Test 1.IR-Reflow In-Board, 2 Times 2.Ta=85J 5J 3.RH=90 %~95% 4.t=500hrs2hrs 1.IR-Reflow In-Board,2 times 2.Ta=105 J5J& -40 J 5J (30min) (30min) 3.total 100 cycles 22 Thermal Shock Test 22 Environmental Test Reflow Soldering Test 1.T.Sol=260 JO 5J 2.Dwell Time= 10 Max . 22 Temperature Cycling 1.105 J ~ 25 J ~ - 40 J 30mins 15mins 30mins 2.100 Cyeles 22 (2)Criteria for judging the damage Criteria for Judgement Item Symbol Test Conditions Min. Forward Voltage Reverse Current Luminous Intensity Note: 1.U.S.L.:Upper Standard Level. 2.L.S.L.:Lower Standard Level. Max. U.S.L x1.2 U.S.L x2.0 - Vf Ir Iv If=20mA Vr=5V If=20mA L.S.L x 0.5 |
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