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南美导热系数大于0.7LED灌封材料规格是什么

 时间:2020-05-22 20:33:02 来源: 
南美导热系数大于0.7LED灌封材料规格是什么 南美导热系数大于0.7LED灌封材料规格是什么,Asphaltbasedpottingcompoundisahotmeltmaterial.Hotmeltiseasytouse,fasttoset,andprovidegreatgapfilling,LED灌封材料.Itcanbeeasilyremovedforrepairandrework.Ithasgoodheatresistance(>123Csofteningpoint)andgoodsolventresistance.Thecompoundhasagoodviscositywhenappliedatanelevatedtemperatureandtheysetatroomtemperature.Afterpotting,thecompoundhasafastaveragesettimeof60secondsandanunlimiteddepthofapplication.Thisisaverycost-effectivematerial.ThischartsummarizestheadvantagesofShanghaiSparkpottingCompoundincomparisontootherpottingsolutions:Summary:Manyquestionsarisewhentryingtoselectanappropriatepottingcompoundforyourapplication.ShanghaiSparkasphaltbasedpottingcompoundcanmostlylikelymetyourLEDdriverneedbyprovidinghighdielectricstrength,conductheat,lengthenlifespanandloweryourcost.

SPARK(上海斯巴克科技实业有限公司)在中国,乃至全球有着超过20多年的生产技术服务经验,服务过的客户超过数千家,从1993年成立至今为全球的照明电源和与其相关的客户提供前列品质的黑胶、***的灌封方案和出色的系统价值。Spark(斯巴克)黑胶的生产过程采用计算机自动控制,产品质量稳定,分析测试严格。已获得美国UL安全认证,符合欧盟RoHS,REACH标准,经过BELMONT环境实验室测试。20余年来,早已被国内外***公司大量采购。SPARK(上海斯巴克科技实业有限公司)为美商独资,在美国和中国上海均设立有独立的研发中心,生产基地和销售办事处。

SelectingtheRightPottingMaterialforLEDDriverBackground:Duetoincreasingenergyregulationsandcostrestraints,theworldisgraduallyconvertingfromtraditionallightingtoLEDswithcharacteristicsoflonglifespansandenergysavings.However,manyarenotawarethattheseinnovativelightsourcesrequirespecializeddevicescalledLEDdriverstooperate.LEDdrivers(alsoknownasLEDpowersupplies)aresimilartoballastsforfluorescentlampsortransformersforlowvoltagebulbs:theyprovideLEDswiththeelectricityevergyandthestabilitytheyrequiretofunctionandperformattheirbest.

南美导热系数大于0.7LED灌封材料规格是什么,LEDsrequiredriversfortwopurposes:1.LEDsaredesignedtorunonlowvoltage(12-24V),directcurrentelectricity.However,mostplacessupplyhighervoltage(120-277V),alternatingcurrentelectricity.AnLEDdriverrectifieshighervoltage,alternatingcurrenttolowvoltage,directcurrent.Theoutputcurrentusuallyrangebetween250uA–50A.2.LEDdriversalsoprotectLEDsfromvoltageorcurrentfluctuations.AchangeinvoltagecouldcauseachangeinthecurrentbeingsuppliedtotheLEDs.LEDlightoutputisproportionaltoitscurrentsupply,andLEDsareratedtooperatewithinacertaincurrentrange(measuredinamps).Therefore,toomuchortoolittlecurrentcancauselightoutputtovaryordegradefasterduetohighertemperatureswithintheLED.

Insummary,LEDdriversconverthighervoltage,alternatingcurrenttolowvoltage,directcurrent.TheyalsokeepthevoltageandcurrentflowingthroughanLEDcircuitatitsratedlevel.IssuesLEDDriversface:SincethecostofLEDismuchhigherthantraditionallightingsolutions,itisimportanttoextendthelifecycleofLED’s.WhenanLEDstopsoperatingbeforetheendofitsratedlifetime,usuallyitisthedriverthatfails,butitcanusuallybesavedifthedriverisreplaced.SoitisbeneficialtohaveexternalLEDdriverthaninternalLEDdriver.

南美导热系数大于0.7LED灌封材料规格是什么,SomeoftheelementsLEDDriversfacewhicharebadforthedriver:Heat:Driversoftenfailprematurelyduetohighinternaloperatingtemperatures.Hightemperatureovertimecausescapacitorsonboardtofail.Ifthedriver’scasetemperature(usuallythehighesttemperaturepointonthedriver)whileinuseistooclosetothemaxoperatingtemperature,thenitwillhaveashorterlifespan.ThegraphbelowshowsthecorrelationbetweenoperatingtemperatureandlifespanofaLEDdriver.

上海斯巴克科技实业有限公司在照明工业这一领域倾注了无限的热忱和激情,上海斯巴克一直以客户为中心、为客户创造价值的理念、以品质、服务来赢得市场,衷心希望能与社会各界合作,共创成功,共创辉煌。相关业务欢迎垂询。上海斯巴克科技实业供应,从事新型灌装材料黑胶的生产及灌装设备黑胶机的加工装配,销售本公司自产产品,电子产品的皮肤,进出口,并提供相关配套服务。根据市场需求,研发出多种型号以适用于LED驱动电源,镇流器,滤波器,电容器,真空断路器,电源电池组模块等。