Nichia NDB7A75 Datasheet

[ UTZ-SC0386_0]
image/svg+xml[UTZ-SC0386_0]2013/12/05BlueLaserDiodeNDB7A75FeaturesMultiTransverseModeCanType:φ9.0mmFloatingMountedwithProtectiondeviceAbsoluteMaximumRatingsItemSymbolAbsoluteMaximumUnitRatingsForwardCurrent(Tc=25°C)If3.0AAllowableReverseCurrent(Tc=25°C)Ir(LD)85mAStorageTemperatureTstg-40~85°COperatingCaseTemperatureTc0~60°CInitialElectrical/OpticalCharacteristics(Tc=25°C)ItemConditionSymbolMinTyp.MaxUnitOpticalOutputPowerIf=2.3APo3.43.53.6WDominantWavelengthIf=2.3Aλd440448455nmThresholdCurrentCWIth200270350mASlopeEfficiencyCWη1.51.72.0W/AOperatingVoltageIf=2.3AVop4.04.34.7VBeamParallelIf=2.3Aθ//101420°Divergence*PerpendicularIf=2.3Aθ404650°BeamPointingPerpendicularIf=2.3AΔθ-33°AccuracyOutlineDimensionUnit(mm)+00.03()arereferencefiguresPinConnectionThismodeldoesnothavePhotoDiode.Thismodelhasaprotectiondevicebuiltinasaprotectioncircuitagainststaticelectricity.()arereferencefigures.*Fullangleat1/e2frompeakintensityAllfiguresinthisspecificationaremeasuredbyNichia’smethodandmaycontainmeasurementdeviations.Theabovespecificationsareforreferencepurposeonlyandsubjectedtochangewithoutpriornotice.SafetyofLaserlightLaserLightcandamagethehumaneyesandskin.Donotexposetheeyeorskintoanylaserlightdirectlyand/orthroughopticallens.WhenhandlingtheLDs,wearappropriatesafetyglassestopreventlaserlight,evenanyreflectionsfromenteringtotheeye.Focusedlaserbeamthroughopticalinstrumentswillincreasethechanceofeyehazard.TheseLDsareclassifiedinClass4ofIEC60825-1and21CFRPart1040.10SafetyStandards.ItisabsolutelynecessarytotakeoverallsafetymeasuresagainstUser’smodules,equipmentandsystemsintowhichNichiaLDsareincorporatedand/orintegrated.
image/svg+xml[UTZ-SC0386_0]2013/12/05Cautions(1)OperatingmethodTheLDshallchangeitsforwardvoltagerequirementandopticaloutputpoweraccordingtotemperaturechange.Also,theLDwillrequiremoreoperationcurrenttomaintainsameoutputpowerasitdegrades.Confirmthatelectricalspikecurrentgeneratedbyswitchingonandoffdoesnotexceedthemaximumoperatingcurrentlevelspecifiedhereinaboveasabsolutemaxrating.Also,employappropriatecountermeasurestoreducechatteringand/orovershootingintheCircuit.ACC(AutoCurrentControl)modeisrecommendedfortheProductoperation.Also,pleasebecarefulfortheovershootinginordertoavoidexcessiveopticaloutputpowerasthelaseroperationisstarted.(2)StaticElectricityStaticelectricityorelectricalsurgeswillreduceanddegradethereliabilityoftheLDs.Itisrecommendedtouseawriststraporanti-electrostaticglovewhenhandlingtheProduct.(3)AbsoluteMaximum