贴片灯0805
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0805led灯的电流(原创实用版)目录1.0805 LED 灯的概述2.0805 LED 灯的工作原理3.0805 LED 灯的电流参数4.0805 LED 灯的电流选择5.结论正文1.0805 LED 灯的概述0805 LED 灯是一种常见的 LED(Light Emitting Diode,发光二极管)灯珠,尺寸为 0.8 毫米×0.5 毫米×0.3 毫米。
它具有体积小、能耗低、寿命长、环保等优点,广泛应用于指示灯、显示屏、照明等领域。
2.0805 LED 灯的工作原理0805 LED 灯的工作原理主要基于半导体材料的 PN 结。
当正负极施加一定电压时,电子与空穴复合,从而产生光子,实现光的发射。
LED 灯的亮度与电流成正比,电流越大,亮度越高。
3.0805 LED 灯的电流参数0805 LED 灯的电流参数包括正向电压(约 1.8-2.2V)和正向电流。
正向电流是指 LED 灯正常工作时通过的电流。
根据不同的生产厂家和应用场景,0805 LED 灯的正向电流范围为 10-30 毫安(mA)。
4.0805 LED 灯的电流选择在选择 0805 LED 灯的电流时,需要考虑以下几个因素:(1)LED 灯的亮度要求:根据实际应用场景和需求选择合适的正向电流。
通常情况下,电流越大,亮度越高。
(2)LED 灯的寿命:LED 灯的寿命受正向电流影响。
电流过大会导致 LED 灯过热,缩短寿命;电流过小,则亮度较低,影响使用效果。
因此,应选择适当的正向电流,以保证 LED 灯的寿命和亮度。
(3)电源电压:根据电源电压选择合适的电流。
当电源电压较高时,应选择较低的正向电流,以保证 LED 灯的安全使用。
5.结论0805 LED 灯是一种具有诸多优点的半导体照明器件。
LED贴⽚常见灯珠规格型号和参数LED贴⽚常见灯珠规格型号和参数 0603、0805、1210、3528、5050都是指LED灯带上常使⽤的发光元器件----LED的尺⼨⼤⼩(英制/公制)叫法,例如0603指的是长度为0.06英⼨,宽度为0.03英⼨。
但是要注意3528和5050单位是公制。
下⾯是这些规格的详细介绍: 0603:换算为公制是1608,即表⽰LED元件的长度是1.6mm,宽度是0.8mm。
⾏业简称1608,英制叫法是0603. 0805:换算为公制是2012,即表⽰LED元件的长度是2.0mm,宽度是1.2mm.⾏业简称2112,英制叫法是0805. 1210:换算为公制是3528,即表⽰LED元件的长度是3.5mm,宽度是2.8mm。
⾏业简称3528,英制叫法是1210. 3528:这是公制叫法,即表⽰LED元件的长度是3.5mm,宽度是2.8mm。
⾏业简称3528. 5050:这是公制叫法,即表⽰LED元件的长度是5.0mm,宽度是5.0mm。
⾏业简称5050. ⽬前⼤多数⼚商⽣产的贴⽚型灯条采⽤的都以3528和5050以及3535和5630的居多,也有很多把3528和5050和3535等贴⽚led⽤在汽车照明上的。
更多的贴⽚led详细规格,或者产品规格书等请咨询统佳的客服⼈员索取。
3528 20mA 3.0-3.6v 0.06w3014 30mA 3.2-3.6v 0.1w4014 30mA 3.2-3.6v 0.1w5050 60mA 3.2-3.6v 0.18w5630 150mA 3.2-3.6v 0.5w⼤功率 350ma 3.2-3.6v 1W、3528(0.06W)、3629(0.2-0.3W)、5050(0.2-0.5W)、5630(0.2-0.5W)、3014、3020(0.06W)⾸先LED光源分为⼩功率LED光源(直插式,SMD贴⽚器件)⼤功率LED光源⼀。
贴⽚led正负极区分,0603贴⽚led正负极区分?贴⽚led正负极区分?0603贴⽚led正负极区分,你知道吗?⼀、贴⽚led正负极区分?贴⽚led正负极区分图解?0603贴⽚led正负极区分?贴⽚led正负极区分图?贴⽚led正负极区分⽅块和圆吗?对于贴⽚led灯珠正负极区分,0603,0805,1206,3528正负极区分都是⽐较常见的问题。
今天,我们就来看看: 贴⽚led正负极区分, 0603贴⽚led正负极区分?⼆、我们先来看看贴⽚led正负极区分:发光⼆极管正负极符号:通过把正负极判断出来,我们就可以进⾏正确的接线了。
贴⽚led正负极区分⽅法:判断贴⽚led正负极区分⼀般可以通过以下6种⽅法:1:通过贴⽚led板⼦背部的印刷标识符:⼀般我们看贴⽚led,”T”字形或倒三⾓形符号⼀边,”T”⼀横的这端常为正极,另⼀端为负极;三⾓形符号的“边”靠近的⼀端⽅向为正极,“⾓”靠近的⼀端通常为负极。
2:通过观察贴⽚led底板焊盘线条来判断:俯视观察,有彩⾊线条的⼀侧为负极,另外⼀侧常为正极。
3:通过观察贴⽚led焊盘的⼤⼩来判断,焊盘较⼤的⼀端为负极,焊盘较⼩的⼀端通常为正极。
4:通过观察贴⽚led正⾯板,仔细可看到在led贴⽚正⽅形或长⽅形中板上有⼀边有⼀个缺⾓,缺⾓的那端⼀般常为正极、另外⼀端常为负极。
5:通过选择仪器万能表来协助判断贴⽚led正负极,⾸先,常常利⽤万⽤表的欧姆表量,将表盘式万⽤表,调到“欧姆x1”档,然后,在贴⽚led点亮发光的时候,红表笔连接的⼀边为正极,⿊表笔连接的为⼆极管的负极⽅向。
6:通过观察贴⽚led的底部印刷标记:LED开启电压所限1.5-1.8V左右。
当然,可能会有部分数字万⽤表提供的电压有时⽆法启动它。
因此,这时候可以通过观察看底板上印刷标记:贴⽚led(SMD LED),有绿⾊点的⼀端为负极,另外的⼀端为正极。
通过以上的6种⽅法,你是不是可以很⽅便地把贴⽚led正负极区分出来啦。
LED灯6种常用规格术语解释一、LED尺寸大小:0603、0805、1206、1210、5050是指LED灯带上使用的发光元件----LED的尺寸大小(英制/公制),下面是这些规格的详细介绍:0603:换算为公制是1005,即表示LED元件的长度是1.0mm,宽度是0.5mm。
行业简称1005,英制叫法是0603.0805:换算为公制是2125,即表示LED元件的长度是2.0mm,宽度是1.25mm.行业简称2125,英制叫法是0805.1206:换算为公制是3216,即表示LED元件的长度是3.2mm,宽度是1.6mm。
行业简称3216,英制叫法为1206.1210:换算为公制是3528,即表示LED元件的长度是3.5mm,宽度是2.8mm。
行业简称3528,英制叫法是1210.5050:这是公制叫法,即表示LED元件的长度是5.0mm,宽度是5.0mm。
行业简称5050.二、LED灯数:15灯、30灯、60灯是指LED灯带每米长度上焊接了多少颗LED元件,一般来说1210规格灯带是每米60颗LED,5050规格灯带是每米30颗LED,特殊的有每米60颗LED。
不同LED数量的LED灯带价格是不同的,这也是区分LED灯带价格的一个重要因素。
三、色温:是指将一标准黑体加热,温度升高到一定程度时颜色开始由深红- 浅红- 橙黄- 白- 蓝,逐渐改变,某光源与黑体的颜色相同时,我们将黑体当时的绝对温度称为该光源之色温。
一般来说色温不作为考核LED灯带的一个指标,只是国外很多客户因为使用环境的关系,会做一个特别的要求。
光源色温不同,光色也不同:色温在3300K 以下,光色偏红给以温暖的感觉;有稳重的气氛,温暖的感觉.,通称暖色温。
∙色温在3000--6000K 为中间,人在此色调下无特别明显的视觉心理效果,有爽快的感觉;故称为" 中性" 色温∙色温超过6000K ,光色偏蓝,给人以清冷的感觉,通称冷色温。
LED灯带6 种常用规格术语解释一、LED尺寸大小:0603、0805、1210、5050 是指LED灯带上使用的发光元件---- LED的尺寸大小(英制/ 公制),下面是这些规格的详细介绍:0603:换算为公制是1005,即表示LED元件的长度是 1.0mm,宽度是0.5mm。
行业简称1005,英制叫法是0603.0805:换算为公制是2125,即表示LED元件的长度是 2.0mm,宽度是 1.25mm.行业简称2125,英制叫法是0805.1210:换算为公制是3528,即表示LED元件的长度是 3.5mm,宽度是 2.8mm。
行业简称3528,英制叫法是1210.5050:这是公制叫法,即表示LED元件的长度是 5.0mm,宽度是 5.0mm。
行业简称5050.二、LED灯数:15 灯、30 灯、60 灯是指LED灯带每米长度上焊接了多少颗LED元件,一般来说1210 规格灯带是每米60 颗LED,5050 规格灯带是每米30 颗LED,特殊的有每米60 颗LED。
不同LED数量的LED灯带价格是不同的,这也是区分LED 灯带价格的一个重要因素。
三、色温:是指将一标准黑体加热,温度升高到一定程度时颜色开始由深红- 浅红- 橙黄- 白- 蓝,逐渐改变,某光源与黑体的颜色相同时,我们将黑体当时的绝对温度称为该光源之色温。
一般来说色温不作为考核LED灯带的一个指标,只是国外很多客户因为使用环境的关系,会做一个特别的要求。
光源色温不同,光色也不同:色温在3300K以下,光色偏红给以温暖的感觉;有稳重的气氛,温暖的感觉. ,通称暖色温。
色温在3000--6000K 为中间,人在此色调下无特别明显的视觉心理效果,有爽快的感觉;故称为" 中性" 色温。
色温超过6000K,光色偏蓝,给人以清冷的感觉,通称冷色温。
四、亮度:cd(坎德拉)发光强度的基本单位,坎德拉是国际单位制的基本单位之一。
常用贴片LED型号及参数贴片LED是一种广泛应用于电子产品中的LED灯具,具有体积小、发光角度大、发光效率高等优点。
本文将介绍一些常用的贴片LED型号及其参数。
1.3528LED3528 LED是一种常用的大功率贴片LED,尺寸为3.5mm×2.8mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等2.5050LED5050 LED是一种大功率贴片LED,尺寸为5.0mm×5.0mm。
它通常具有以下参数:-最大电流:60mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等3.0603LED0603 LED是一种小功率贴片LED,尺寸为0.6mm×0.3mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等4.0805LED0805 LED是一种小功率贴片LED,尺寸为0.8mm×0.5mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等5.1206LED1206 LED是一种小功率贴片LED,尺寸为1.2mm×0.6mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等6.2835LED2835 LED是一种大功率贴片LED,尺寸为2.8mm×3.5mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等7.3014LED3014 LED是一种大功率贴片LED,尺寸为3.0mm×1.4mm。
它通常具有以下参数:-最大电流:20mA-正向工作电压:2.8-3.4V-发光角度:120度-发光颜色:红、绿、蓝、黄、白等8.5730LED5730 LED是一种大功率贴片LED,尺寸为5.7mm×3.0mm。
常用 led 灯带 5种规格术语解释通闪电子经常会接到客户需求 LED 灯带的询价电话,但由于对 LED 灯带的规格术语不熟悉,常常需要给客户解释半天才能让客户了解。
针对这一现象, 下面就把 LED 灯带常用的 5种规格术语进行一下解释和分享, 同时也供采购朋友们参考:一、 LED 尺寸大小 :0603、 0805、 1210、 5050是指 LED 灯带上使用的发光元件 ----LED 的尺寸大小(英制 /公制 ,下面是这些规格的详细介绍:0603:换算为公制是 1005,即表示 LED 元件的长度是 1.0mm ,宽度是 0.5mm 。
行业简称 1005,英制叫法是 0603.0805:换算为公制是 2125, 即表示 LED 元件的长度是 2.0mm , 宽度是 1.25mm. 行业简称 2125, 英制叫法是 0805.1210:换算为公制是 3528,即表示 LED 元件的长度是 3.5mm ,宽度是 2.8mm 。
行业简称 3528,英制叫法是 1210.5050:这是公制叫法,即表示 LED 元件的长度是 5.0mm ,宽度是 5.0mm 。
行业简称 5050. 二、 LED 灯数 :15灯、 30灯、 60灯是指 LED 灯带每米长度上焊接了多少颗 LED 元件, 一般来说 1210规格灯带是每米 60颗 LED , 5050规格灯带是每米 30颗 LED ,特殊的有每米 60颗 LED 。
不同 LED 数量的 LED 灯带价格是不同的,这也是区分 LED 灯带价格的一个重要因素。
三、色温:是指将一标准黑体加热,温度升高到一定程度时颜色开始由深红 - 浅红 - 橙黄 - 白 - 蓝, 逐渐改变, 某光源与黑体的颜色相同时, 我们将黑体当时的绝对温度称为该光源之色温。
一般来说色温不作为考核 LED 灯带的一个指标,只是国外很多客户因为使用环境的关系, 会做一个特别的要求。
光源色温不同,光色也不同:•色温在 3300K 以下,光色偏红给以温暖的感觉;有稳重的气氛,温暖的感觉 . ,通称暖色温。
0805双⾊贴⽚LED灯珠规格书-鑫光硕Customer:·Technical Data SheetPN: XGS-PB2012UEUBFor: IF=20mAContents1.Features2.Applications3.Package dimensions4.Absolute maximum rating5.Electrical optical characteristics6.BIN range7.Package label8.Soldering pad dimensions9.Soldering conditions10.Package tape specifications11.T ypical electro-optical characteristics curves12.Reliability test items and conditions13.Cautions14.Note◆F eatures:Compatible with automatic placement equipmentCompatible with reflow solder processLow power consumption and wide viewing angleThis product doesn’t contain restriction Substance, comply ROHS standard.◆A pplications:Automotive and TelecommunicationFlat backlight for LCD ,switch and symbol in telephone and faxGeneral use for indicators◆P ackage Dimensions:Electrodes: Au PlatingEncapsulating Resin: Epoxy ResinPackage: BT ResinUnit:mmTolerance:±0.1Absolute Maximum Rating (Ta=25℃)I FP condition: pulse width ≤1ms ,duty cycle ≤1/10 Electrical Optical Characteristics(Ta=25℃)Notes: 1.Tolerance of Luminous Intensity ±10%2.Tolerance of Dominant Wavelength ±2nm3.Tolerance of Forward Voltage ±0.05V4.Luminous Intensity is measured by XGS’s equipment on bare chips◆ Soldering Pad Dimensions:◆ Soldering Conditions (Maximum allowable soldering conditions)Reflow soldering profileReflow soldering should not be done more than two times. Do not stress its resin while soldering. After soldering,do not warp the circuit board.T e m p e r a t u r e◆P ackage Tape Specifications: (4000 pcs/Reel)Feeding, Direction Dimensions of Reel ( Unit: mm)Dimensions of Tape (Unit:mm)Arrangement of Tape(Unit:mm)◆T ypical Electro-Optical Characteristics Curves:Reliability(1)Test Items and Conditions(2)C riteria of judging the damage◆C autions1、PackageWhen moisture is absorbed into the package it may vaporize and expand during soldering. There is apossibility that this can cause exfoliation of the contacts and damage to the optical characteristics of the LEDs. So the moisture proof package is used to keep moisture to a minimum in the package.2、StorageBefore opening the package: The LEDs should be kept at 5~30°C and 60%RH or less. The LEDs should be used within a year.After opening the package: The LED must be used within 24 hours, else should be kept at 5~30℃and 30% RH or less. The LEDs should be used within 7days after opening the package. If unused LEDs remain, they should be stored in moisture proof packages, recommended to return the LEDs to the original moisture proof bag and to reseal the moisture proof bag again.If the LEDs have exceeded the storage time, baking treatment should be performed more than 24hours at 60±5°C.3、Soldering IronEach terminal is to the tip of soldering iron temperature less than 300℃ for 3 seconds within once inless than the soldering iron capacity 25 W.Leave two seconds and more internals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder.4、RepairingRepairing should not be done after the LEDs have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmed beforehand whether the characteristics of the LEDs will or will not be damaged by repairing.5、The LED electrode sections are comprised of a gold plated. The gold surface may be affected by environments which contain corrosive gases and so on. Please avoid conditions which may cause the LED to corrode or discolor. This corrosion or discoloration may cause difficulty during soldering operations. It is recommended that the User use the LEDs as soon as possible.6、Please avoid rapid transitions in ambient temperature, especially in high humidity environments where condensation can occur.◆N otes:1、Above specification may be changed without notice. We will reserve authority on material change for above specification.2 、When using this product, please observe the absolute maximum ratings and the instructions for the specification sheets. We assume no responsibility for any damage resulting from use of the product which does not comply with the instructions included in the specification sheets.Page 8 of 8。
LED 灯 6种常用规格术语解释一、 LED 尺寸大小:0603、 0805、 1206、 1210、 5050是指 LED 灯带上使用的发光元件 ----LED 的尺寸大小(英制 /公制,下面是这些规格的详细介绍:0603:换算为公制是 1005,即表示 LED 元件的长度是 1.0mm ,宽度是 0.5mm 。
行业简称 1005,英制叫法是 0603.0805:换算为公制是 2125,即表示 LED 元件的长度是 2.0mm ,宽度是 1.25mm. 行业简称 2125,英制叫法是 0805.1206:换算为公制是 3216,即表示 LED 元件的长度是 3.2mm ,宽度是 1.6mm 。
行业简称 3216,英制叫法为 1206.1210:换算为公制是 3528,即表示 LED 元件的长度是 3.5mm ,宽度是 2.8mm 。
行业简称 3528,英制叫法是 1210.5050:这是公制叫法, 即表示 LED 元件的长度是 5.0mm , 宽度是 5.0mm 。
行业简称 5050. 二、 LED 灯数:15灯、 30灯、 60灯是指 LED 灯带每米长度上焊接了多少颗 LED 元件, 一般来说 1210规格灯带是每米 60颗 LED , 5050规格灯带是每米30颗 LED , 特殊的有每米 60颗 LED 。
不同 LED 数量的 LED 灯带价格是不同的,这也是区分 LED 灯带价格的一个重要因素。
三、色温:是指将一标准黑体加热,温度升高到一定程度时颜色开始由深红 - 浅红 - 橙黄 - 白 - 蓝,逐渐改变,某光源与黑体的颜色相同时,我们将黑体当时的绝对温度称为该光源之色温。
一般来说色温不作为考核 LED 灯带的一个指标,只是国外很多客户因为使用环境的关系, 会做一个特别的要求。
光源色温不同,光色也不同:色温在 3300K 以下,光色偏红给以温暖的感觉;有稳重的气氛,温暖的感觉 . ,通称暖色温。
C ustomer:·Technical Data Sheet PN:XGS-PB2012UB-02 For:IF=20mAContents1.Features2.Applications3.Package dimensions4.Absolute maximum rating5.Electrical optical characteristics6.BIN range7.Package label8.Soldering pad dimensions9.Soldering conditions10.Package tape specifications11.T ypical electro-optical characteristics curves12.Reliability test items and conditions13.Cautions14.Note◆F eatures:Compatible with automatic placement equipmentCompatible with reflow solder processLow power consumption and wide viewing angleThis product doesn’t contain restriction Substance, comply ROHS standard.◆A pplications:Automotive and TelecommunicationFlat backlight for LCD ,switch and symbol in telephone and faxGeneral use for indicators◆P ackage Dimensions:Unit:mmTolerenc e±0.1Electrodes: Ag Plating◆A bsolute Maximum Rating (Ta=25℃)* I FP condition: pulse width ≤1ms ,duty cycle ≤1/10◆E lectrical Optical Characteristics(Ta=25℃)Notes: 1.Tolerance of Luminous Intensity ±10%2.Tolerance of Dominant Wavelength ±2nm3.Tolerance of Forward Voltage ±0.05V4.Luminous Intensity is measured by XGSLED’s equipment on bare chips◆ Soldering Pad Dimensions:◆ S oldering Conditions (Maximum allowable soldering conditions)Reflow soldering profile<Pb-free solder>Time• Reflow soldering should not be done more than two times. • Do not stress its resin while soldering.• After soldering,do not warp the circuit board.T e m p e r a t u r e◆ P ackage Tape Specifications: (3000 pcs/Reel)Reel Lead Min.60mm No LEDs5 Reels in one Box10 Boxes in one Carton◆ T ypical Electro-Optical Characteristics Curves :Forward Current Vs Ambient Temperature5040302010100250Forward Current Vs Relative Luminosity204060801001020304050Ambient Temperature Ta (° C)Forward Current (mA)200 15010050 Relative Luminosity VsAmbient TemperatureIf=15mA-50° -60°-70°-80°-90°-40°-30°-20°-10°0°10°20°30°40°50°60°70°80°90° 0 0204060801001.00.50.5Radiation Angle1.0Ambient Temperature Ta (° C)R e l a t i v e L u m i n o s i t y (%)F o r w a r d C u r r e n t (m A )R e l a t i v e L u m i n o s i t y (%)◆Reliability(1)Test Items and Conditions(2)C riteria of judging the damage◆C autions1、PackageWhen moisture is absorbed into the package it may vaporize and expand during soldering. There is apossibility that this can cause exfoliation of the contacts and damage to the optical characteristics of the LEDs. So the moisture proof package is used to keep moisture to a minimum in the package.2、StorageBefore opening the package: The LEDs should be kept at 5~30°C and 60%RH or less. The LEDs should be used within a year.After opening the package: The LED must be used within 24 hours, else should be kept at 5~30℃and 30% RH or less. The LEDs should be used within 7days after opening the package. If unused LEDs remain, they should be stored in moisture proof packages, recommended to return the LEDs to the original moisture proof bag and to reseal the moisture proof bag again.If the LEDs have exceeded the storage time, baking treatment should be performed more than 24hours at 60±5°C.3、Soldering IronEach terminal is to the tip of soldering iron temperature less than 300℃ for 3 seconds within once inless than the soldering iron capacity 25 W.Leave two seconds and more internals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder.4、RepairingRepairing should not be done after the LEDs have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmed beforehand whether the characteristics of the LEDs will or will not be damaged by repairing.5、The LED electrode sections are comprised of a gold plated. The gold surface may be affected by environments which contain corrosive gases and so on. Please avoid conditions which may cause the LED to corrode or discolor. This corrosion or discoloration may cause difficulty during soldering operations. It is recommended that the User use the LEDs as soon as possible.6、Please avoid rapid transitions in ambient temperature, especially in high humidity environments where condensation can occur.◆Notes:1、Above specification may be changed without notice. We will reserve authority on material change for above specification.2 、When using this product, please observe the absolute maximum ratings and the instructions for the specification sheets. We assume no responsibility for any damage resulting from use of the product which does not comply with the instructions included in the specification sheets.。
0805贴片电阻的功率摘要:1.0805 贴片电阻的概述2.0805 贴片电阻的功率参数3.0805 贴片电阻的精度4.0805 贴片电阻的应用范围5.结论正文:一、0805 贴片电阻的概述0805 贴片电阻是一种常见的贴片电阻型号,它的尺寸为2 乘1.2 毫米,功率范围为1/8 瓦,精度一般为5%,也有1% 和千分之几的精密电阻。
0805 贴片电阻具有耐潮湿和高温的特点,温度系数较小,广泛应用于各种电子设备中,以节省电路空间成本和实现精细化设计。
二、0805 贴片电阻的功率参数0805 贴片电阻的功率参数是根据电阻封装大小、材质等因素来决定的。
一般来说,0805 贴片电阻的功率为1/8 瓦,但在不同国家和厂家的规定下,这个值可能会有所不同。
例如,在美国mil 军标中,0805 贴片电阻的功率规定为0.15 瓦,而在我国,这个功率规定有的为1/10 瓦(中国gjb 国军标),有的为1/8 瓦(一般工业级)。
三、0805 贴片电阻的精度0805 贴片电阻的精度一般常用的是5%,精密点的可以达到1%,而再精密的千分之几的精度虽然也有,但使用较少,价格也相对较高。
电阻的精度直接影响到电阻在电路中的稳定性和可靠性,因此在选择电阻时,应根据实际需求选择适当精度的电阻。
四、0805 贴片电阻的应用范围由于0805 贴片电阻具有较小的体积、较高的稳定性和可靠性、较小的温度系数等优点,因此广泛应用于各种电子设备中,如家用电器、照明设备、工业用机器等研究开发或生产线等领域。
五、结论综上所述,0805 贴片电阻是一种具有优良性能的贴片电阻,其功率、精度和应用范围等方面都表现出良好的性能。
LED灯带6 种常用规格术语解释一、LED尺寸大小:0603、0805、1210、5050 是指LED灯带上使用的发光元件---- LED的尺寸大小(英制/ 公制),下面是这些规格的详细介绍:0603:换算为公制是1005,即表示LED元件的长度是 1.0mm,宽度是0.5mm。
行业简称1005,英制叫法是0603.0805:换算为公制是2125,即表示LED元件的长度是 2.0mm,宽度是 1.25mm.行业简称2125,英制叫法是0805.1210:换算为公制是3528,即表示LED元件的长度是 3.5mm,宽度是 2.8mm。
行业简称3528,英制叫法是1210.5050:这是公制叫法,即表示LED元件的长度是 5.0mm,宽度是 5.0mm。
行业简称5050.二、LED灯数:15 灯、30 灯、60 灯是指LED灯带每米长度上焊接了多少颗LED元件,一般来说1210 规格灯带是每米60 颗LED,5050 规格灯带是每米30 颗LED,特殊的有每米60 颗LED。
不同LED数量的LED灯带价格是不同的,这也是区分LED 灯带价格的一个重要因素。
三、色温:是指将一标准黑体加热,温度升高到一定程度时颜色开始由深红- 浅红- 橙黄- 白- 蓝,逐渐改变,某光源与黑体的颜色相同时,我们将黑体当时的绝对温度称为该光源之色温。
一般来说色温不作为考核LED灯带的一个指标,只是国外很多客户因为使用环境的关系,会做一个特别的要求。
光源色温不同,光色也不同:色温在3300K以下,光色偏红给以温暖的感觉;有稳重的气氛,温暖的感觉. ,通称暖色温。
色温在3000--6000K 为中间,人在此色调下无特别明显的视觉心理效果,有爽快的感觉;故称为" 中性" 色温。
色温超过6000K,光色偏蓝,给人以清冷的感觉,通称冷色温。
四、亮度:cd(坎德拉)发光强度的基本单位,坎德拉是国际单位制的基本单位之一。
0805led限流电阻摘要:1.限流电阻的作用2.0805led的特性3.选择合适的限流电阻4.限流电阻的安装与检测5.总结正文:在我们日常生活中,LED灯具已经越来越普及,而0805led作为一种常见的LED型号,被广泛应用于各种照明设备中。
然而,在使用0805led时,我们需要对其进行限流,以保证其正常工作和延长使用寿命。
本文将介绍0805led限流电阻的相关知识,包括限流电阻的作用、0805led的特性、选择合适的限流电阻、限流电阻的安装与检测等。
一、限流电阻的作用限流电阻,顾名思义,就是限制电流的电阻。
在LED照明系统中,限流电阻的作用主要体现在以下几点:1.保护LED:当电源电压或电流过高时,限流电阻能够限制电流的流动,防止LED过热损坏。
2.稳定电压:限流电阻能有效地稳定LED两端的电压,使其工作在合适的电压范围内,从而延长LED的使用寿命。
3.节能:通过限制电流,降低无效功率的损耗,提高能源利用率。
二、0805led的特性0805led作为一种贴片式LED,具有以下特点:1.体积小:0805led的尺寸为0.8mm×0.5mm,非常适合用于轻薄型照明设备。
2.亮度高:0805led采用高亮度芯片,发光效率高,亮度较高。
3.寿命长:0805led具有较长的使用寿命,正常使用可达5万小时以上。
4.低功耗:0805led的功耗较低,能有效节省能源。
三、选择合适的限流电阻选择限流电阻时,需要考虑以下几个因素:1.工作电压:根据LED的工作电压,选择合适的限流电阻。
一般来说,限流电阻的额定电压应略大于LED的工作电压。
2.电流:选择限流电阻时,应确保其允许通过的电流大于LED的额定电流。
3.稳定性:选择具有良好稳定性的限流电阻,以保证LED长时间稳定工作。
四、限流电阻的安装与检测1.安装:将限流电阻串联在LED电源线路中,注意限流电阻的接线牢固可靠。
2.检测:使用万用表测量限流电阻的两端电压,确保其在正常工作范围内。
12.0x 1.25x 0.8m m C h i p L E DOSXX0805C1E■Features■Outline Dimension●Single chip2121. All dimensions are in millimeters;2. Tolerance is ±0.1mm unless otherwise noted;3. Soldering PAD Suggested:● 2.0x1.25x0.8mm(0805) standard package . ● Suitable for all SMT assembly methods. ●Compatible with infrared and vapor phase reflow solder process.●This product doesn’t contain restriction Substance, comply ROHS standard.●Compatible with automatic placement equipment.■Applications●Automotive : Dashboards, stop lamps, turn signals. ●Backlighting : LCDs, Key pads advertising.■Absolute Maximum Rating (Ta=25℃)■DirectivityItemSymbolValueUnitW/M/B/V/K/G5R5/Y5/O5/G8DC Forward Current I F 30 30 mA Pulse Forward Current* I FP 100100mA Reverse V oltage V R 55 V Power Dissipation P D 10878mWOperating Temperature Topr -40 ~ +85 ℃ Storage Temperature Tstg -40~ +85 ℃ Lead Soldering TemperatureTsol260℃/10sec- *Pulse width Max 0.1ms, Duty ratio max 1/10 ■Electrical -Optical Characteristics(Ta=25(Ta=25℃℃)Part NumberColorV F (V) I R (µA) Iv(mcd)λD(nm)2θ1/2(deg)Min. Typ. Max. Max. Min. Typ. Max. Min. Typ.Max. Typ. I F =20mA V R =5V I F =20mAOSW50805C1E White W5 ■ - 3.3 3.6 10 350 450 - X:0.27, Y:0.28 120 OSM50805C1E Warm White M5 ■- 3.3 3.6 10 350 450 - X:0.44, Y:0.41 120 OSK50805C1E Pink K5 ■ - 3.3 3.6 10 60 90 - X:0.38, Y:0.18 120 OSV40805C1E Violet V4 ■ 3.3 3.6 10 8 12 - 395 400 405 120 OSB50805C1E BlueB5 ■- 3.2 3.6 10 80 120 - 460 465 475 120 OSG50805C1E True Green G5 ■3.3 3.6 10 400 450 - 520 525 530 120 OSG80805C1E Yellow Green G8 ■-2.0 2.6 10 20 35 - 564 570 578 120 OSY50805C1E Yellow Y5 ■ -2.1 2.6 10 100 120 - 585 590 595 120 OSO50805C1E Orange O5 ■ - 2.0 2.6 10 100 120 - 600 605 610 120 OSR50805C1ERedR5 ■-2.02.610120150-620625630120*1 Tolerance of measurements of chromaticity coordinate is +10%*2 Tolerance of measurements of dominant wavelength is +1nm *3 Tolerance of measurements of luminous intensity is +15% *4 Tolerance of measurements of forward voltage is ±0.1VLED & Application Technologies 2■ Soldering ConditionsReflow SolderingHand SolderingPre-Heat 180 ~ 200°C Temperature Soldering time350°C Max. 3 sec. Max. (one time only)Pre-Heat Time 120 sec. Max. Peak temperature 260°C Max. Dipping Time10 sec. Max.ConditionRefer to Temperature-profile• Reflow Soldering Condition(Lead-free Solder)*Recommended soldering conditions vary according to the type of LED*Although the recommended soldering conditions are specified in the above table, reflow, or hand soldering at the lowest possible temperature is desirable for the LEDs.*A rapid-rate process is not recommended for cooling the LEDs down from the peak temperature. •All SMD LED products are pb-free soldering available.• Occasionally there is a brightness decrease caused by the influence of heat or ambient atmosphere during air reflow. It is recommended that the User use the nitrogen reflow method. • Repairing should not be done after the LEDs have been soldered. When repairing is unavoidable adouble-head soldering iron should be used. It should be confirmed beforehand whether the characteristics of the LEDs will or will not be damaged by repairing.• Reflow soldering should not be done more than two times.• When soldering, do not put stress on the LEDs during heating. • After soldering, do not warp the circuit board.LED & Application Technologies 3■ Taping and Orientation.1. Quantity:3000pcs/Reel2. Note: The tolerances unless mentioned is ±0.1mm,Unit:mm■ Cautions:1. After open the package, the LED ´s floor life is 4 Weeks under 30℃ or less and 60%RH or less(MSL:2a).2. Heat generation must be taken into design consideration when using the LED.3. Power must be applied resistors for protection, over current would be caused the optic damage to the devices and wavelength shift.4. Manual tip solder may cause the damage to Chip devices, so advised that heat of ironshould be lower than 15W with temperature control under 5 seconds at 230-260 deg. C. ( The device would be got damage in re working process, recommended under 5 seconds at 230-260 deg. C)5. All equipment and machinery must be properly grounded. It is recommended to use a wristband or anti-electrostatic glove when handing the LED.6. Use IPA as a solvent for cleaning the LED. The other solvent may dissolve the LED package and the epoxy, Ultrasonic cleaning should not be done.7. Damaged LED will show unusual characteristics such as leak current remarkably increase, turn-on voltage becomes lower and the LED get unlight at low current.LED & Application Technologies。
Data SheetFeatures․Package in 8mm tape on 7〞diameter reel.․Compatible with automatic placement equipment. ․Compatible with infrared and vapor phase reflowsolder process. ․Pb-free.․The product itself will remain within RoHS compliant versionDescriptions․The 0805 SMD LED is much smaller than lead frame type components, thus enable smaller board size, higher packing density, reduced storage space and finally smaller equipment to be obtained.․Besides, lightweight makes them ideal for miniature applications. etc.Applications․Backlighting in dashboard and switch. ․Automotive_Telecommunication․Flat backlight for LCD, switch and symbol. ․General use.Device Selection GuidePart No.ChipLens ColorMaterial Emitted Color KO-0805Q B C/11InGanBlue Water clearSUPER BRIGHTKO-0805QBC/11Package Outline DimensionsRecommended Soldering Pad DimensionsNote: The tolerances unless mentioned is ±0.1mm ,Unit = mmSUPER BRIGHTKO-0805QBC/11Absolute Maximum Ratings (Ta=25℃)Parameter Symbol Rating Unit Reverse Voltage V R 5VForward Current I F 25 mA Peak Forward Current (Duty 1/10 @1KHz) I FP 100 mA Power Dissipation Pd 95 mW Electrostatic Discharge(HBM) ESD 150 V Operating Temperature Topr -40 ~ +85 ℃ Storage Temperature Tstg -40 ~ +90℃Soldering TemperatureTsolReflow Soldering : 260 ℃ for 10 sec.Hand Soldering : 350 ℃ for 3 sec.Electro-Optical Characteristics (Ta=25℃)ParameterSymbol Min. Typ. Max. Unit ConditionLuminous Intensity I V 90 ----- 180 mcdI F =20mA Viewing Angle2θ1/2 ----- 140 ----- degSpectrum RadiationBandwidth Δλ ----- 20 ----- nm Peak Wavelength λp ----- 468 ----- nmDominant Wavelengthλd 466 ----- 472 nm Forward VoltageV F 3.0 ----- 3.3 V Reverse CurrentI R----- ----- 50 μAV R =20VNotes:1.Tolerance of Luminous Intensity ±11%2. Tolerance of Dominant Wavelength: ±1nm3.Tolerance of Forward Voltage ±0.1VSUPER BRIGHTKO-0805QBC/11Typical Electro-Optical Characteristics Curves0.70.80.91.00.40.50.30.20.10.6R adiation D iagram 0°10°20°Ta=25°C4502505075100W avelength λ (nm )500550600400Ta=25°CSpectrum D istributionAm bient Tem perature T (°C )a Forw ard C urrent D erating C urve 0406010080Forw ard Voltage V (V)F 2.61020304050Forw ard Voltage3.43.02.83.23.6Ta=25°CForw ard C urrent vs.R e l a t i v e L u m i n o u s I n t e n s i t y (%)F o r w a r d C u r r e n t I (m A )FF o r w a r d C u r r e n t I (m A )FSUPER BRIGHTKO-0805QBC/11Carrier Tape Dimensions : Loaded quantity 3000 PCS per reelReel DimensionsNote: The tolerances unless mentioned is ±0.1mm ,Unit = mmSUPER BRIGHTKO-0805QBC/11SUPER BRIGHTCustomer must apply resistors for protection , otherwise slight voltage shift will cause bigcurrent change ( Burn out will happen ).2. Storage2.1 Do not open moisture proof bag before the products are ready to use.2.2 Before opening the package: The LEDs should be kept at 30℃or less and 90%RH or less.2.3 After opening the package: The LED's floor life is 1 year under 30℃or less and 60% RH or less.If unused LEDs remain, it should be stored in moisture proof packages.2.4 If the moisture absorbent material (silica gel) has faded away or the LEDs have exceeded thestorage time, baking treatment should be performed using the following conditions.Baking treatment : 60±5℃for 24 hours.SUPER BRIGHTKO-0805QBC/113. Soldering Condition3.1 Pb-free solder temperature profile3.2 Reflow soldering should not be done more than two times.3.3 When soldering, do not put stress on the LEDs during heating.3.4 After soldering, do not warp the circuit board.4.Soldering IronEach terminal is to go to the tip of soldering iron temperature less than 350℃for 3 seconds within once in less than the soldering iron capacity 25W. Leave two seconds and more intervals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder.5.RepairingRepair should not be done after the LEDs have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmed beforehandReliability Test Items And ConditionsThe reliability of products shall be satisfied with items listed below. Confidence level :90% LTPD :10%No. Items Test ConditionTest Hours/Cycles SampleSizeAc/Re 1 Reflow Soldering Temp. : 260℃±5℃Min. 5sec. 6 Min.22 PCS.0/1 2 Temperature Cycle H : +100℃ 15min∫ 5 minL : -40℃ 15min 300 Cycles 22 PCS.0/13 Thermal Shock H : +100℃ 5min∫ 10 secL : -10℃ 5min300 Cycles 22 PCS.0/1 4High TemperatureStorageTemp. : 100℃ 1000 Hrs. 22 PCS.0/1 5Low TemperatureStorage Temp. : -40℃ 1000 Hrs. 22 PCS.0/1 6 DC Operating Life I F = 20 mA 1000 Hrs. 22 PCS.0/1 7High Temperature / High Humidity85℃/ 85%RH1000 Hrs.22 PCS.0/1KO-0805QBC/11Bin Range of Luminous IntensityBin CodeMin.Max.UnitConditionC4 90.0 112 mcd I F =20mAC5 112 140 C6 140 180Note: Tolerance of Luminous Intensity: ±11%Bin Range of Forward VoltageBin CodeMin.Max.UnitCondition32 3.0 3.1 V I F =20mA33 3.1 3.234 3.2 3.3Note: Tolerance of Forward Voltage: ±0.1VBin Range of Dominant WavelengthBin CodeMin.Max.UnitConditionA2 466 468nm I F =20mA A3 468 470 A4 470 472Note: Tolerance of Dominant Wavelength: ±1nmKO-0805QBC/11。