COB产品介绍

cob标准模组规格一、概述本标准模组规格适用于我们公司生产的COB（ChipOnBoard）标准模组，该模组广泛应用于各类电子产品中。

本规格旨在确保COB模组的品质和性能符合客户要求，同时也为用户提供一致、可靠的产品体验。

二、产品描述1.组成：COB模组主要由芯片、支架、荧光粉、胶水等组成。

2.结构：COB模组采用倒装结构，将芯片直接贴装在支架上，荧光粉与芯片通过高温固化胶水固定。

3.尺寸：COB模组尺寸根据客户需求定制，通常为5mmx5mm或8mmx8mm。

4.颜色：COB模组通常为白色，也可根据客户需求定制其他颜色。

三、规格要求1.亮度：COB模组的亮度应不低于客户要求的最低标准。

2.稳定性：COB模组在温度、湿度等环境条件下应保持稳定，无脱落、损坏等现象。

3.抗老化：COB模组应具备一定的抗老化性能，确保长时间使用不褪色。

4.安全性：COB模组应符合相关安全标准，确保用户在使用过程中不会受到伤害。

5.寿命：COB模组的寿命应不低于客户要求的最低标准。

6.包装：COB模组应按照要求进行包装，确保在运输、存储过程中不受损害。

四、生产流程1.准备阶段：根据客户需求定制尺寸和数量，并对材料进行检测。

2.贴装芯片：将芯片按照设计要求贴装在支架上。

3.固定荧光粉：将荧光粉与胶水混合后，通过高温固化将其固定在芯片上。

4.质量检测：对COB模组进行质量检测，确保符合规格要求。

5.包装发货：对合格产品进行包装，并按照约定时间发货。

五、检验标准1.外观检验：对COB模组的外观进行检查，确保无脱落、损坏等现象。

2.亮度测试：使用专业仪器对COB模组的亮度进行测试，确保符合规格要求。

3.稳定性测试：在不同温度、湿度等环境下对COB模组进行测试，确保其稳定性。

4.抗老化测试：对COB模组进行长时间老化测试，确保其抗老化性能符合要求。

5.安全性能测试：对COB模组进行安全性能测试，确保符合相关安全标准。

六、包装与运输1.包装材料：采用防震、防摔的包装材料对COB模组进行包装，确保在运输过程中不受损害。

金亿达邦定辅料主要用于COB（KEDLED）生产过程中的基础设施、工具、配件和耗材的一种统称。

是金亿达邦定成分的重要组成部分。

分类介绍常用的邦定辅料为邦定铝盘，邦定钢嘴，恒温加热台，电热台，电热炉，邦定红胶、黑胶，邦定铝线，点胶机，点胶针头，防静电工具。

1 、邦定周转烘干铝盘（又称铝盒）规格齐全（长×宽×高）：21×9×1.4、23.5×12×1.4 、25×16×1.4、36×25×1.8 (单位：厘米)，适用于COB邦定烘干周转、SMT烘干周转及一切工业加热周转用。

2 、邦定铝线（又称硅铝丝）：KS铝线、 C.C.C铝线、亚中铝线、世星铝线。

(有0.8mil 、0.9mil、1.0mil、1.25mil等规格) 。

3 钢嘴：GAISER钢嘴、SPT钢嘴、金亿达钢嘴（有1515、1818、2020、2025、2525、520机专用钢嘴）。

4 、钨丝：邦定钢嘴轻微堵塞后可用钨丝通开，延长钢嘴的使用寿命。

5 、红胶：快干：250克/瓶、慢干：200克/瓶，用于IC生产时粘贴PCB。

6 、黑胶：热胶5kg/桶、冷胶5kg/桶，IC邦线后用黑胶滴满，保护IC。

7 、邦定夹具：3×8 、3×10 、3×12 、3×14、 4×8 、4×10、、4×12、4×14、4×16、 009圆夹具、520夹具、530夹具。

8 、纤维棒：擦板专用纤维棒、PCB板纤维棒，规格：Ф8、Ф10、Ф12、Ф14长度200MM，适用手动擦板、擦板机用擦板。

9 、扩晶环：又叫子母环，通用规格4英寸，6英寸，8英寸，10英寸10 、固晶显微镜；10x~30x；20x~40x；连续变倍。

11 、翻晶膜：颜色区分有白色和蓝色，4寸宽度150mm，6寸宽度200mm；8寸宽度280mm；12 、拉力计：测量邦定线拉力大小。

cob芯片是什么意思Cob芯片是一种集成电路芯片的封装方式，其名称来源于英文Chip On Board，意为“芯片贴装在板上”。

与传统的芯片封装方式相比，Cob芯片封装技术具有接触面积大、散热性能好、可靠性高等特点，被广泛应用于LED、光电、电子产品等领域。

Cob芯片的封装技术主要包括以下几个步骤：首先，将电路芯片的硅片裸露出来，并将其上的金线焊接到封装基板上；然后，将硅片用导热胶固定在封装基板上，使其与基板紧密贴合；最后，用所需的封装材料将整个电路封装起来，形成一个完整的芯片模块。

整个封装过程需要经过精密的设备和操作技术来完成。

Cob芯片相比于传统的芯片封装方式有以下几个优点：1. 接触面积大：Cob芯片封装可以将芯片直接与基板紧密贴合，增大了芯片与基板之间的接触面积。

这种紧密的贴合可以有效提高信号传输速度和稳定性，减少信号衰减和噪音干扰。

2. 散热性能好：Cob芯片封装可以将芯片与基板直接接触，有效地将芯片产生的热量传递到基板上，利用基板的导热性能进行散热。

相比传统封装方式，Cob芯片的散热性能更好，可以降低芯片的工作温度，提高芯片的稳定性和寿命。

3. 可靠性高：Cob芯片封装通过将芯片与基板直接贴合，减少了封装过程中的焊接点，减少了因焊接引起的故障风险。

同时，Cob芯片封装可以避免芯片与外部环境的接触，减少外界因素对芯片性能的影响，提高了芯片的可靠性。

4. 结构简单：Cob芯片封装的结构相对简单，封装过程中无需使用额外的封装材料，减少了封装工艺的复杂性和成本。

这使得Cob芯片封装可以适用于各种尺寸和类型的芯片，提高了封装的灵活性和适应性。

Cob芯片的应用领域非常广泛，其中最主要的应用领域之一是LED照明。

由于Cob芯片封装技术的优点，如散热性能好、可靠性高、接触面积大等，使得Cob芯片成为了LED照明领域的首选封装方式。

在LED照明产品中，Cob芯片可以将多个LED芯片集成在一起，形成一个高亮度、高稳定性的光源，广泛应用于室内照明、舞台照明、汽车照明等领域。

别墅门产品资料MCTC-COB-A1安装说
明
1. 产品介绍
MCTC-COB-A1是一种高品质的别墅门产品，设计精巧，安全可靠。

该产品由以下部件组成：
- 门框：采用坚固的钢铁材料制成，具有出色的耐久性和抗腐蚀性。

- 门扇：采用优质的玻璃材料和铝合金边框制成，美观大方且易于清洁。

- 门锁：采用先进的电子锁技术，提供高级别的安全保护。

2. 安装前准备
在安装MCTC-COB-A1之前，请确保完成以下准备工作：
- 确定门框和门扇的安装位置。

- 准备好所需的安装工具，如螺丝刀、电钻等。

3. 安装步骤
按照以下步骤正确安装MCTC-COB-A1：
1. 使用电钻在门框上预先钻孔，以便将门扇与门框连接。

2. 将门扇与门框对齐，使用螺丝将其固定在门框上。

3. 检查门的运行是否流畅，确保门扇能够完全打开和关闭。

4. 安装门锁，并确保其能够正确运行。

4. 使用注意事项
在使用MCTC-COB-A1时，请注意以下事项：
- 请勿将门用于除居住用途外的其他场所。

- 请保持门锁的正常运行状态，定期检查并清理门锁。

- 避免使用过大的力量关闭门，以免损坏门扇和门框。

5. 维护保养
为保持MCTC-COB-A1的良好状态，请定期进行维护保养：
- 使用干净的软布擦拭玻璃和门框。

- 定期检查门扇和门框是否有松动或损坏，并及时修复。

- 使用适当的润滑剂保持门锁的顺畅运行。

以上是关于别墅门产品MCTC-COB-A1的安装说明。

如有任何问题，请随时与我们联系。

感谢您选择我们的产品！。

什么是cob灯具_cob灯具有什么优势什么是cob灯具cob灯具是COB（chiponboard）板上芯片封装，是裸芯片贴装技术的做成一种灯具，半导体芯片交接贴装在印刷线路板上，芯片与基板的电气连接用引线缝合方法实现，芯片与基板的电气连接用引线缝合方法实现，并用树脂覆盖以确保可靠性。

COB灯具就是用COB光源作为发光源的射灯。

传统射灯光源多采用卤素灯和大功率led，卤素灯发光效率较低、比较耗电、被照射环境温度上升、使用寿命短;而大功率led局部光效过强，光斑不均匀，有暗处。

COB灯具在发光原理、节能、环保的层面上都远远优于传统照明产品。

而且COB灯具发光的单向性形成了对射灯配光的完美支持。

COB灯具有什么优势1、节能：同等功率的COB灯具耗电仅为白炽灯的10%，比日光灯还要节能。

2、寿命长：COB灯具珠的可以工作5万小时，比日光灯和白炽灯都长。

3、可调光：以前的调光器一直是针对白炽灯的，白炽灯调暗时光线发红;很难见到日光灯调光器，这是调光技术很多年没有发展的主要原因;COB灯具又可以调光了，并且无论是亮还是暗光都是同样的颜色（色温基本不变），这一点明显优于白炽灯的调光。

4、可频繁开关：COB灯具的寿命是按点亮时算的，即便每秒钟开关数千次也不影响LED 寿命，在装饰等需要频繁亮灭的场合，COB灯具有绝对优势。

5、颜色丰富：有正白光、暧白光、红、绿、蓝等各种颜色，无论是客厅里大灯旁用于点缀的小彩灯还是霓虹灯，都很鲜艳。

6、发热量低：像射灯，很多220V的射灯用不也几天就坏掉就是因为发热。

12V卤素射灯发热量虽低于220V的射灯，但又有因所配变压器功率不足等原因，其亮度达不到标称值。

用COB灯具，不用变压器也可以长时间工作。

7、维护成本低。

cob灯具寿命长，光通量半衰期寿命超过5万小时以上，一般正常使用30年以上。

抗冲击和抗震能力强，没有钨丝、玻壳等易损坏的部件，非正常报废的可能性。

190 lm/W高光效高显指COB产品开发发布时间：2023-02-02T05:10:02.315Z 来源：《科技新时代》2022年18期作者：何玉宝杨伟洪黄德冰[导读] 半导体LED照明以指示,装饰性和辅助照明应用开始，经过短短20几年的发展，何玉宝杨伟洪黄德冰开发晶照明（厦门）有限公司，福建厦门，361000摘要：半导体LED照明以指示,装饰性和辅助照明应用开始，经过短短20几年的发展，现在已经渗透到基本所有的通用以及特种照明的应用场景，最大市场规模是商业照明和家居照明。

其核心的LED发光器件又以蓝色LED激发黄色或者蓝色LED激发绿色和红色荧光粉，实现白光的发光原理的产品为主，占据超过80%的市场。

在这80%份额中，又以商业照明尤其是店铺/酒店/办公以及公共空间照明应用的白光COB产品最具有技术挑战性。

主要原因是此类产品，发光面小，功率高，显色指数CRI高，同时光效节能要求也很高。

当前市场上的白光COB 产品，通常都是显色指数CRI越高，光效越低。

本文旨在探讨和介绍通过技术创新，开发晶照明（厦门）有限公司研发团队发明的兼具高光效高显色指数COB产品的技术方案，并成功实现量产和推向市场，显色指数CRI最低90，相关色温4000K的产品，光效超过了190lm/W。

引言21世纪是全球向半导体LED光源转变的决定性时期。

尤其重要的是，LED以其卓越的寿命和光效赢得了客户的认同，成为了照明光源的主流。

以LED为光源的灯泡消耗的能源只是通常白炽灯泡（如卤素灯）所消耗的10%左右，而使用寿命至少是普通白炽灯的10倍。

出于节约能源和减少碳排放的动机，消费者、商业实体以及政府已将LED技术应用于几乎所有室内和室外的照明空间。

在电气照明的大部分历史时期，传统且光效很低的钨丝灯泡一直占主导地位。

荧光灯包括节能灯和荧光T8/T5灯管的引入是20世纪早期的一次尝试，旨在显著提高以流明每瓦（lm/W）为单位的能源效率或发光效率。

DATA SHEETIntroduction Performance Characteristics Mechanical Dimensions Characteristic Curves ReliabilityPacking Specification PrecautionP 2P 3P 5P 6P 9P 10P 11 CITILED COB SeriesStandard TypeRa90 Min. ModelCLU038-1208C41. Introduction1-1. Product Description1-2. FeaturesCITIZEN ELECTRONICS is the first COB manufacture. Our advanced knowledge and packaging technology for many years has excellent reliability and high quality of our products. CITILED COB Series covers a wide range of luminous flux from a 10W incandescent bulb to a 500W mercury lamp in general lighting sources. The element arrangement of LED package is capable of utilizing light more effectively and higher performance.The new version of CITILED COB Series succeed to reduce the thermal resistance significantly. New version creates more options to match luminaire's products design (ex. High performance , Cost effective , Higher lumen density ,Increased allowable max. If). The outline and LES size is same since version 1. 3-step MacAdam ellipse color definition at Tj=85C is available.CLU038-1208C4-273H5M3-F1[1][2][3][4][5][1][2][3][4][5]Product NomenclatureCRI (Ra)CLU03812082700K 90 Min.Product shape Die count in series Die count in parallel Nominal CCT ・Mechanical Dimensions :19.0×19.0×1.4 (mm)・Package Structure :Aluminum Base Chip on Board ・Reference Assembly :M3 screw, Connector ・CRI (Ra):90 Min.・Nominal CCT:2,700K, 3,000K, 3,500K, 4,000K, 5,700K・Chromaticity Range:3-step MacAdam Ellipse, the center refers to ANSI C78.377:2011.2-step MacAdam Ellipse, the center refers to ANSI C78.377:2011.・Thermal Resistance :0.48C/W ・Maximum drive current :1840mA・RoHS compliant・Better die arrangement for optics・Wide range of luminous flux and high efficacy・Improved lumen density compared with previous version ・UL recognized component (E358566)2. Performance Characteristics2-1. Electro Optical Characteristics2-2. Absolute Maximum Ratings( Tj=85C )Ra R9Tc=25C**Min.Min.Min.Typ.Typ.Typ.Min.Typ.Max.CLU038-1208C4-27*H5M3-F12700K 90502,6182,9763,27412272031.234.036.80.48CLU038-1208C4-30*H5M3-F13000K 90502,7233,0953,40412672031.234.036.80.48CLU038-1208C4-35*H5M3-F13500K 90502,7633,1403,45412872031.234.036.80.48CLU038-1208C4-40*H5M3-F14000K 90502,7643,1423,45612872031.234.036.80.48CLU038-1208C4-57*H5M3-F15700K90502,8603,2503,57513372031.234.036.80.48Notes :1. Citizen Electronics maintains a tolerance of ± 10% on luminous flux measurements.2. Citizen Electronics maintains a tolerance of ± 3% on forward voltage measurements.3. Citizen Electronics maintains a tolerance of ± 1 on Ra measurements.* : 2 = 2-step MacAdam ellipse , 3 = 3-step MacAdam ellipse**Values of Luminous flux at Tc=25C are provided as reference only.Product codeForward Current( mA )Thermal Resistance Rj-c ( C/W )CRINominal CCTLuminous flux( lm )Efficacy ( lm/W )Voltage( V )T ｊ=85CSymbol RatingPi 77.9*1If 1840*1Ir 1Top -40 ~ +100Tst -40 ~ +100Tc 120*2Tj150*3*1. Input power and forward current are the values when the LED is used within the range of the derating curve in this data sheet.*2. Refer to 3. Outline drawing for Tc measurement point.ParameterInput Power (W)Forward Current (mA)Reverse Current (mA)*3. D.C. Current : Tj = Tc + Rj-c × PiStorage Temperature (C)Case Temperature (C)Junction Temperature (C)Operating Temperature (C)2-3. Chromaticity Characteristics2,700K( 0.4577, 0.4098)3,000K ( 0.4339, 0.4032)3,500K ( 0.4078, 0.3929)4,000K ( 0.3818, 0.3796)5,700K( 0.3287, 0.3417)( Rated current, Tj=85C )Color RegionNominal CCT Center Point ( x, y )Oval parameterMajor Axisa Minor Axisb Ellipse Rotation Angleθ57.280.008340.005560.004080.0027253.173-step 2-step 3-step 2-step 0.007740.005160.004110.002740.009510.006340.004170.0027852.970.009390.006260.004020.0026854.000.007600.005070.002960.0019859.46* Color region stay within 3-step / 2-step MacAdam ellipse from the chromaticity center.* The chromaticity center refers to ANSI C78.377:2011.* θ is the angle between the major axis of the ellipse and the x-axis, and a and b are the major and minor semi-axes of an ellipse. ( Ref. IEC 60081:1997 AnnexD )3-step MacAdam Ellipse.2-step MacAdam Ellipse.Note : Citizen Electronics maintains chromaticity ( x, y ) +/-0.0050.300.350.400.450.300.350.400.450.50yxx-y chart CIE19312-step 3-stepBlack Body Locus3,500K3,000K2,700K4,000K5,700K3. Mechanical Dimensions・Internal Circuit12 s 08 p Protection deviceLED deviceCathodeAnodeUnit : mmTolerances unless otherwise specified : +/-0.3Marking 1 : Serial No.Marking 2 : CRI CCTDies count in parallel Dies count in seriesVer.6T 12 08 ** **Forward Current vs. Forward VoltageForward Current vs. Relative Luminous FluxTc=25C Tc=25CCase Temperature vs. Forward VoltageCase Temperature vs. Relative Luminous FluxIf=720mA If=720mA30.032.034.036.038.040.00500100015002000V f [V ]If [mA]0%50%100%150%200%250%0500100015002000R e l a t i v e L u m i n o u s F l u x [a .u .]If [mA]33.034.035.036.037.0255075100125V f [V ]Tc [C]0%20%40%60%80%100%120%0255075100125R e l a t i v e L u m i n o u s F l u x [a .u .]Tc [C]4. Characteristic Curves4-1. Forward Current Characteristics / Temperature Characteristics4-2. Optical CharacteristicsSpectrum : CRI(Ra) 90 Min.Tj=85C If=720mA0%10%20%30%40%50%60%70%80%90%100%380430480530580630680730780R a d i a t i v e I n t e n s i t yWave length [nm]5,700K4,000K3,500K3,000K2,700K4-2. Optical Characteristics (continued)4-3. Derating CharacteristicsCase Temperaturevs. Allowable Forward Current02004006008001000120014001600180020000255075100125I f [m A ]Tc [C]Radiation Characteristic 0%20%40%60%80%100%X Y80°70°60°50°40°30°20°10°-80°-70°-60°-50°-20°-30°-40°-10°90°-90°5. Reliability5-1. Reliability Test5-2. Failure Criteria-40 C × 30 minutes – 100 C × 30 minutes, 100 cycle85 C, 85 %RH for 500 hoursThermal Shock TestContinuous Operation Test High Temperature Storage TestLow Temperature Storage Test Moisture-proof Test IF=720mA Tj=150C (with Al-fin) ×1000hrsTest Item100 C × 1000 hours -40 C × 1000 hours Test ConditionIF=720mA Ta=25C (with Al-fin) ×1000hrs ( Tc=25C )U defines the upper limit of the specified characteristics. S defines the initial value.Note : Measurement shall be taken between 2 hours and 24 hours, and the test pieces should be return to the normal ambient conditions after the completion of each test.Total Luminous FluxΦvIf=720mA<S × 0.85Measuring Item Symbol Measuring ConditionFailure CriteriaForward Voltage Vf If=720mA >U × 1.11. TYPEe.g. CLU038-1208C41715001(2)(1)(3)Example of indication label2. P.No. ( Cutomer's P/N )3. Lot No.e.g. 4. Quantity(1) Last two digit of the year 17 : Year 2017(2) Production month 1 : JanuaryNote: October, November and December are designated X,Y and Z.(3) CE's control number 6. Packing Specification6-1. PackingAn empty tray is placed on top of a 6-tier tray which contain 48 pieces each.(Smallest packing unit: 288 pieces)A label with product name, quantity and lot number is placed on the upper empty tray.Tray (Dimensions: 310×210×12 mm / Materials: Electrically conductive PS)Unit : mmProduct 48 pcs/trayCUSTOMERTYPEP.NO Lot No Q'ty: CLU***-******-******* : ****** : ******* : ***--- ( 1 ) --- ( 2 ) --- ( 3 ) --- ( 4 )7. Precaution7-1. Handling with care for this product-Both the light emitting area and white rim around the light emitting area is composed of resin materials.Please avoid the resin area from being pressed, stressed, rubbed, come into contact with sharp metal nail(e.g. edge of reflector part) because the function, performance and reliability of this product are negatively impacted.-Please be aware that this product should not come into contact with any other parts while incorporating in your lightingapparatus or your other products.-Please be aware that careful handling is required after the attachment of lead wires to prevent the application of any loadto the connections.-For more information, please refer to application note "Instruction Manual(COB LED Package)".7-2. Countermeasure against static electricity-Handling of this product needs countermeasures against static electricity because this is a semiconductor product.-Please take adequate measures to prevent any static electricity being produced such as the wearing of a wristband oranti-static gloves when handling this product.-Every manufacturing facility in regard to the product (plant, equipment, machine, carrier machine and conveyance unit)should be connected to ground and please avoid the product to be electric-charged.-ESD sensitivity of this product is over 1,000V (HBM, based on JEITA ED-4701/304).-After assembling the LEDs into your final product(s), it is recommended to check whether the assembled LEDs aredamaged by static electricity (electrical leak phenomenon) or not.-It is easy to find static damaged LED dies by a light-on test with the minimum current value.7-3. Caution of product assembly-Regarding this product assembling on the heat sink, it is recommended to use M3 screw.It might be good for screw tightening on the heat sink to do temporary tightening and final tightening.In addition, please don’t press with excess stress on the product.-The condition of the product assembling on the heat sink and the control of screw tightening torque needs to be optimized according to the specification of the heat sink.-Roughness, unevenness and burr of surface negatively impact thermal bonding between the product and heat sink andincrease heat thermal resistance between them.Confidence of thermally and mechanical coupling between the product and heat sink are confirmed by checkingthe mounting surface and measuring the case temperature of the product.-In order to reduce the thermal resistance at assembly, it might be good to use TIM (Thermal Interface Material) on whole contact surface of the product.In case of using thermal grease for the TIM, it might be good to apply uniformly on the contact surface of the product.In case of using thermal sheet for the TIM, it might be good to make sure that the product is NOT strained by stress when the screws are tightened for assembly.-For more information, please refer to application note "Instruction Manual(COB LED Package)".7-4. Thermal Design-The thermal design to draw heat away from the LED junction is most critical parameter for an LED illumination system. High operating temperatures at the LED junction adversely affect the performance of LED’s light output and lifetime.Therefore the LED junction temperature should not exceed the absolute maximum rating in LED illumination system.-The LED junction temperature while operation of LED illumination system depends upon thermal resistance of internal LED package (Rj-c), outer thermal resistances of LED package, power loss and ambient temperature. Please take both of the thermal design specifications and ambient temperature conditions into consideration for the setting of drivingconditions.-For more information, please refer to application note "Thermal Management", "Instruction Manual(COB LEDPackage)".7-5. Driving Current-A constant current is recommended as an applying driving current to this product.In the case of constant voltage driving, please connect current-limiting resistor to each products in series and controlthe driving current to keep under the absolute maximum rating forward current value.-Electrical transient might apply excess voltage, excess current and reverse voltage to the product(s).They also affect negative impact on the product(s) therefore please make sure that no excess voltage, no excess current and no reverse voltage is applied to the product(s) when the LED driver is turn-on and/or turn-off.-For more information, please refer to application note "Driving", "Instruction Manual(COB LED Package)".7-6. Lighting at a minimum current value-A minimum current value of lighting of all dice is 40mA.When a minimum current is applied, LED dice may look different in their brightness due tothe individual difference of the LED element, and it is not a failed product.7-7. Electrical Safety-This product is designed and produced according to IEC 62031:2008(IEC 62031:2008 LED modules for general lighting. Safety specification)-Dielectric voltage withstand test has been conducted on this product to see any failure after applyingvoltage between active pads and aluminum section of the product, and to pass at least 500V.-Considering conformity assessment for IEC62031:2008, almost all items of the specification depend uponyour final product of LED illumination system.Therefore, please confirm with your final product for electrical safety of your product.As well, the products comply with the criteria of IEC62031:2008 as single LED package.7-8. Recommended soldering Condition (This product is not adaptable to reflow process.) -For manual solderingPlease use lead-free soldering.Soldering shall be implemented using a soldering bit at a temperature lower than 350C, and shall befinished within 3.5 seconds for one land.No external force shall be applied to resin part while soldering is implemented.Next process of soldering should be carried out after the product has return to ambient temperature.Contacts number of soldering bit should be within twice for each terminal.* Citizen Electronics cannot guarantee if usage exceeds these recommended conditions.Please use it after sufficient verification is carried out on your own risk if absolutely necessary.-For more information, please refer to application note "Instruction Manual(COB LED Package)".7-9. Eye Safety-The International Electrical Commission (IEC) published in 2006 IEC 62471”2006 Photobiological safety of lamps and lamp systems ” which includes LEDs within its scope.When sorting single LEDs according to IEC 62471, almost all white LEDs can be classifiedas belonging to either Exempt Group (no hazard) or Risk Group 1 (low risk).-However, Optical characteristics of LEDs such as radiant flux, spectrum and light distribution are factorsthat affect the risk group determination of the LED, and especially a high-power LED, that emits lightcontaining blue wavelengths,might have properties equivalent to those of Risk Group 2 (moderate risk).-Great care should be taken when directly viewing an LED that is driven at high current, has multipleuses as a module or when focusing the light with optical instruments, as these actions might greatlyincrease the hazard to your eyes.-It is recommended to regard the evaluation of stand-alone LED packages as a referenceand to evaluate your final product.7-10. This product is not designed for usage under the following conditions.If the product might be used under the following conditions, you shall evaluate its effect and appropriate them. In places where the product might:-directly and indirectly get wet due to rain and/or at place with the fear.-be damage by seawater and/or at place with the fear-be exposed to corrosive gas (such as Cl2, H2S, NH3, SOx, NOx and so on) and/or at place with the fear.-be exposed to dust, fluid or oil and/or at place with the fear.Precautions with regard to product use(1) This document is provided for reference purposes only so that CITIZEN ELECTRONICS' products are used as intended. CITIZEN ELECTRONICS neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of CITIZEN ELECTRONICS or any third party with respect to the information in this document. (2) All information included in this document such as product data, diagrams, charts, is current as of the date this document is issued.Such information, however, is subject to change without any prior notice.Before purchasing or using any CITIZEN ELECTRONICS' products listed in this document, please confirm the latest product information with a CITIZEN ELECTRONICS' sales office, and formal specifications must be exchanged and signed by both parties prior to mass production.(3) CITIZEN ELECTRONICS has used reasonable care in compiling the information included in this document, but CITIZEN ELECTRONICS assumes no liability whatsoever for any damages incurred as a result of errors or omissions in the information included in this document.(4) Absent a written signed agreement, except as provided in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, CITIZEN ELECTRONICS assumes no liability whatsoever, including without limitation, indirect, consequential, special, or incidental damages or loss, including without limitation, loss of profits, loss of opportunities, business interruption and loss of data, and disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness fora particular purpose, accuracy of information, or no infringement.(5) Though CITIZEN ELECTRONICS works continually to improve products' quality and reliability, products can malfunction or fail. Customers are responsible for complying with safety standards and for providing adequate designs and safeguards to minimize risk and avoid situations in which a malfunction or failure of a product could cause loss of human life, bodily injury or damage to property, including data loss or corruption.In addition, customers are also responsible for determining the appropriateness of use of any information contained in this document such as application cases not only with evaluating by their own but also by the entire system.CITIZEN ELECTRONICS assumes no liability for customers' product design or applications.(6) Please contact CITIZEN ELECTRONICS' sales office if you have any questions regarding the information contained in this document, or if you have any other inquiries.CITILED is a registered trademark of CITIZEN ELECTRONICS CO., LTD. Japanis a trademark or a registered trademark of CITIZEN ELECTRONICS CO., LTD. JAPAN.。