led catalogue外语英文电子书

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1、LEDCATALOGUETHELEDCATALOGUEwww.mr-resistor.co.uk1MRRESiSTORTHELEDCATALOGUEINTRODUCTIONTOLEDLIGHTINGPAGE2COMPONENTRANGEPAGE4LEDFITTINGSPAGE18COLOURCHANGINGLEDPAGE46LEDDRIVERS/TECHNICALPAGE56www.mr-resistor.co.uk2MRRESiSTORINTRODUCTIONTOLEDSwww.mr-resistor.co.uk3MRRESiSTO

2、RINTRODUCTIONTOLEDSWHATARELEDS?LEDstandsforLightEmittingDiode,whichisasemiconductordevicethatemitsvisiblelightwhenanelectriccurrentpassesthroughit.Lightisnotgeneratedbyheatinganincandescentcoil(incandes-centandhalogenbulbs)orbygasdischarges(fluorescentlamps),butitisanel

3、ectroniceffectinthesemiconductor.ALEDprovidesthelightinaverynarrowspectrum,thatisonlyasmallpartofthetotallightradiationavailable.ThisiswhyeachLEDhasitsownspecificcolour.AdifferentprocessdealswiththecreationofwhiteLEDs.Therearetwomethodsofmanufacture,eitherusingseveralLE

4、Dchipsindifferentcolours(red,greenandblue)combinedinasinglecasesothatthedifferentcoloursaremixedupandgivewhitelight,orusingblueLEDswhichhaveaninternalluminescentlayerwhosetaskistoconvertbluelightintodifferentcolours.Thusallspectralsareproducedandthisisthebasisforwhiteli

5、ght.WHATARETHEBENEFITSOFUSINGLEDLIGHTING?ThebenefitsofLEDscomparedwithincandescentandfluores-centilluminatingdevices,include:LowpowerrequirementHighefficiencyLonglifeNoheatUpto20metresdistancebetweenLEDandDriverwww.mr-resistor.co.ukcomponentscabinet-bookcase-emergencyli

6、ghting-featurelights-nightlights-nightclub-cinemaopen/bubble6lens/clip8ropelight10neonflex12decolume166COMPONENTSLEDSwww.mr-resistor.co.uk7COMPONENTLEDSCOMPONENTRANGETheminispotLEDisaversatileunit.Itcanbeusedseparatelyortogetherwithalightfitting.Ithasa25mmcutout.Ithasah

7、ighpower1WattLED.ThisLEDhasasilverreflectorthatisavailablewithnolenswhichpro-ducesa110°angleoflightorwithalensthatproducesa45°angleoflight.DIMENSIONSDiameter30mmHeight10mmCUT-OUT25mmOUTPUT1WattVOLTAGE12VDCPARTNo.LEDOPEN1(Nolens,110°)BLUELEDOPEN1(Nolens,110°)GREENLEDOPEN

8、1(Nolens,110°)REDLEDOPEN1(Nolens,110°)WHITELEDOPEN1(Nolens,110°)YELLOWDIMENSIONSDiameter30mmAlsoavailable,atri