LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only SURFACE MOUNT LED TAPE AND REEL Pb Lead-Free Parts LG-020WK-A02 DATA SHEET DOC. NO : QW0905-LG-020WK-A02 REV. : A DATE : 28 - Mar. - 2013 發行 立碁電子 DCC LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 1/13 PART NO. LG-020WK-A02 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. Descriptions: The LG-020WK 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 MATERIAL LG-020WK-A02 InGaN COLOR Emitted Pink Lens Yellow Diffused LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 2/13 PART NO. LG-020WK-A02 Package Dimensions 0.7 Cathode 0.63 1.9 3.6 3.8 2.3 0.63 0.7 0.75 0.45 0.6 Andoe 1.2 Note : 1.All dimension are in millimeter tolerance is ±0.2mm 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 ±0.1mm,Unit=mm. Polarity LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 3/13 PART NO. LG-020WK-A02 Absolute Maximum Ratings at Ta=25℃ Symbol Ratings UNIT Forward Current IF 30 mA Peak Forward Current Duty 1/10@10KHz IFP 100 mA Power Dissipation PD 120 mW Reverse Current @5V Ir 50 μA Electrostatic Discharge ESD 500 V Operating Temperature Topr - 20 ~ + 80 ℃ Storage Temperature Tstg - 30 ~ + 100 ℃ Parameter Typical Electrical & Optical Characteristics (Ta=25℃) Items Min. Luminous Intensity Symbol Min. Typ. Iv 500 600 Viewing Angle CONDITION mcd IF=20mA X 0.2767 ---- 0.3768 ---- IF=20mA Y 0.1148 ---- 0.3720 ---- IF=20mA Chromaticity Coordinates Forward Voltage Max. UNIT ---- VF 2.8 ---- 3.6 V IF=20mA 2θ 1/2 ---- 110 ---- deg IF=20mA Note : 1.The forward voltage data did not including ±0.1V testing tolerance. 2.The luminous intensity data did not including ±15% testing tolerance. 3.The color coordinates measurememt allowance is ±0.01 testing tolerance. LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 4/13 PART NO. LG-020WK-A02 Luminous Intensity Classification BIN CODE Iv(mcd) at 20mA Min. Max. U21U22 500 600 U23U24 600 700 U25U26 700 800 V11V12 800 900 Forward Voltage Classification BIN CODE 1 2 3 4 5 6 7 8 Vf(v) at 20mA Min. Max. 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 5/13 PART NO. LG-020WK-A02 Chromaticity Coordinates Specifications For Bin Grading Color Coordiante at20mA BIN CODE 1 3 2 X 4 X Y X Y Y X Y PP1 0.3648 0.197 0.3708 0.189 0.3488 0.1724 0.3427 0.1804 PP2 0.3708 0.189 0.3768 0.181 0.3548 0.1644 0.3488 0.1724 PP3 0.3427 0.1804 0.3488 0.1724 0.3268 0.1559 0.3207 0.1639 PP4 0.3488 0.1724 0.3548 0.1644 0.3328 0.1479 0.3268 0.1559 PP5 0.2987 0.1473 0.3207 0.1639 0.3268 0.1559 0.3047 0.1393 PP6 0.3268 0.1559 0.3328 0.1479 0.3108 0.1313 0.3047 0.1393 PP7 0.2987 0.1473 0.3047 0.1393 0.2827 0.1228 0.2767 0.1307 PP8 0.3047 0.1393 0.3108 0.1313 0.2887 0.1148 0.2827 0.1228 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 6/13 PART NO. LG-020WK-A02 CIE Chromaticity Diagram 0.20 PP1 0.18 PP3 0.16 PP2 PP4 PP5 PP6 0.14 PP7 PP8 0.12 0.10 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 7/13 PART NO. LG-020WK-A02 Typical Electro-Optical Characteristics Curve WK CHIP Fig.2 Relative Intensity vs. Forward Current 3.0 1000 Relative Intensity Normalize @20mA Forward Current(mA) Fig.1 Forward current vs. Forward Voltage 100 10 1 01 1.0 2.0 3.0 4.0 2.5 2.0 1.5 1.0 0.5 0.0 5.0 1 10 Fig.4 Relative Intensity vs. Temperature 1.2 Relative Intensity@20mA Normalize @25℃ Forward Voltage@20mA Normalize @25℃ Fig.3 Forward Voltage vs. Temperature 1.1 1.0 0.9 0.8 -20 0 20 40 60 80 3.0 2.5 2.0 1.5 1.0 0.5 0.0 100 -40 DC Forward Current [mA] SPECTRAL RADIANCE 100 Intensity 80 60 40 20 0 600 Wavelength (nm) 700 0 20 40 60 80 100 Fig.6 Forward Current vs. Temperature Fig.5 Luminous Spectrum(Ta=25 ℃) 500 -20 Ambient Temperature( ℃) Ambient Temperature( ℃) 400 1000 Forward Current(mA) Forward Voltage(V) -40 100 800 80 70 60 50 40 30 20 10 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature Ta (℃) LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 8/13 PART NO. LG-020WK-A02 Carrier Type Dimensions 2 4 1.5 1.75 5.5 12 4 Polarity 0.279 4 0.72 Note : The tolerances unless mentioned is ±0.1mm,Angle ± 0.5. Unit=mm. ‧ Packing Specifications 0.2 0.8 0.6 Aluminum Moist-Proof bag Label 0.8 0.6 0.2 0.4 0.4 Label Part No. Description Quantity/Reel LG-020WK-A02 12.0mm tape,7"reel 3000 PCS LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 9/13 PART NO. LG-020WK-A02 Label Explanation LIGITEK ELECTRONICS CO., LTD. Pb PART : LG-020WK-A02 LOT : GS1-070119 QTY(PCS): 3000 BIN/HUE : U21U22/PP1 BIN : Luminous Flux HUE : Chromaticity Coordinates (CIE_x , CIE_y) VF:3-3.1 VF : Forward Voltage Reel Dimensions 0.2 0.4 0.8 0.8 0.6 0.2 0.4 0.6 2.0±0.5 178±1.5 60.0±1.0 9.0±1.0 ψ13.5±1.0 12.0±1.0 LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 10/13 PART NO. LG-020WK-A02 Box Explanation 1. 4 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 58cm X 34cm x 35cm L W H LIGITEK ELECTRONICS CO.,LTD. Property of Ligitek Only Page 11/13 PART NO. LG-020WK-A02 Recommended Soldering Conditions 1. Hand Solder Basic spec is ≦ 280℃ 3 sec one time only. 2. Wave Solder Soldering heat Max. 260 ℃ 245±5℃ within 5 sec 120 ~ 150℃ Preheat 120 ~ 180 sec 3 PB-Free Reflow Solder 1~5°C/sec 1~5°C/sec Preheat 180~200°C 260°C MaX. 10sec.Max 6°C/sec Above 220°C 60 sec.Max. 120 sec.Max. 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 Page 12/13 PART NO. LG-020WK-A02 Precautions For Use: Storage time: 1.The operation of Temperatures and RH are : 5 ℃~35℃,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 ℃ ~ 35℃,RH60%, they should be treated at 60 ℃±5 ℃fo r 15hrs. 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 Circuit model B LED 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 Page 13/13 PART NO. LG-020WK-A02 Reliability Test: (1)Test items and results Test Item Classification Test Condition Sample Size Operating Life Test 1.Ta=Under Room Temperature As Per Data Sheet Maximum Rating. 2.If=20mA 3.t=1000 hrs 22 High Temperature Storage Test 1.Ta=105 ℃± 5℃ 2.t=500 hrs 22 Low Temperature Storage Test 1.Ta=-40 ℃±5℃ 2.t=1000 hrs 22 High Temperature High Humidity Storage Test 1.IR-Reflow In-Board, 2 Times 2.Ta=85℃± 5℃ 3.RH=90%~95% 4.t=500hrs±2hrs 22 Thermal Shock Test 1.IR-Reflow In-Board,2 times 2.Ta=105℃±5℃& -40℃± 5℃ (30min) (30min) 3.total 100 cycles 22 1.T.Sol=260 ℃±5℃ 2.Dwell Time= 10Max. 22 1.105℃ ~ 25℃ ~ - 40℃ 30mins 15mins 30mins 2.100 Cyeles 22 Endurance Test Environmental Test Reflow Soldering Test Temperature Cycling (2)Criteria for judging the damage Item Symbol Test Conditions Criteria for Judgement Min. Max. Forward Voltage Vf If=20mA - U.S.L x1.2 Reverse Current Ir Vr=5V - U.S.L x2.0 Luminous Intensity Iv If=20mA L.S.L x 0.5 - Note: 1.U.S.L.:Upper Standard Level. 2.L.S.L.:Lower Standard Level.