Tkool Electronics

MPS6602 (Pin configuration of these equivalent transistors may different from each other.

IRF620PBF-VISHAY

MPS6602 (Pin configuration of these equivalent transistors may different from each other.

push({});Where We Can Use it How to Use:2N3904 can be used in any electronic applications which fall under its electrical characteristics.do not provide collector-emitter voltage more than 40V and always operate or store in temperatures above -55 centigrade and below +150 centigrade.

IRF620PBF-VISHAY

SS9013 (Pin configuration of some transistors may different from 2N3904 therefore check pin configuration before replacing in a circuit)2N3904 Transistor Explained / Description:2N3904 is a widely used general purpose transistor.It is mostly used by electronic students and hobbyists in their projectsIt is mostly used by electronic students and hobbyists in their projects.

IRF620PBF-VISHAY

the total device dissipation is 625 milliwatt due to which it can also be used for audio and RF signal amplification purposesmoreover it can also be used at the output of small audio amplifiers to increase the output to drive small 200miliwatt to 2 watt speakers.

IRF620PBF-VISHAY

A lot of good features in its TO-92 package makes this transistor an ideal TO-92 transistor to have in your lab.

This post is about 2N4401 transistor pinout details.1N4007isaPNjunctionrectifierdiode.Thisblogcovers1N4007rectifierdiodepinout,features,andotherinformationincludingitsadvantages,applicationsandhowtousethisdevice,etc.Catalog1N4007Description1N4007Pinout1N4007Features1N4007Advantages1N4007TypicalApplicationsWheretoUse1N40071N4007MechanicalData1N4007Parameters1N4007PackageInformation1N4007AlternativesHowtoSafelyLongRun1N4007inaCircuit1N4007PopularitybyRegion1N4007MarketPriceAnalysisComponentDatasheetFAQOrderingQuantity1N4007Description1N4007isaPNjunctionrectifierdiode.Thesetypesofdiodesonlyallowtheflowofelectriccurrentinonedirection.Therefore,itcanbeusedfortheconversionofalternatingcurrenttodirectcurrent.The1N4007iselectricallycompatiblewithotherrectifierdiodesandcanbeusedinsteadofanydiodeofthe1N400Xseries.The1N4007hasvariousapplicationsinreallife.Forexample,applicationsoffreewheelingdiodes,generalrectifyingofpowersupplies,inverters,converters,etc.1N4007PinoutThe1N4007hastwopins,theanodeandcathoderespectively.Bothpinshaveoppositechargesonthem.Thetwopinsandtheirnamesandchargesareshowninthetablebelow.IN4007PinoutPin.NoPinNameCharge1Anode+ve2Cathode-ve1N4007FeaturesLowforwardvoltagedrop;Lowleakagecurrent;Highforwardsurgecapability;Solderdip275Cmax.10s,perJESD22-B106.1N4007AdvantagesThe1N4007isausedgeneral-purposediode.ItisnormallyconstructedtobeusedasarectifierinthepowersupplysectionofelectronicdevicestoconvertACvoltagetoDCvoltagewithotherfiltercapacitors.Itisadiodeofthe1N400xseriesinwhichtherearealsoothersimilardiodesfrom1N4001to1N4007andtheonlydifferencebetweenthemisthemaximumrepetitivereversevoltage.Besides,itcanalsobeusedinanygeneralapplicationwherethereisaneedforageneraldiode.The1N4007diodeisdesignedtooperatewithhighvoltagesandcaneasilywithstandvoltagesbelow1000V.Theaveragedirectcurrentof1000mAor1A,the3Wpowerdissipation,itssmallsize,andlowcostmakeitanidealdiodeforawidevarietyofapplications.1N4007TypicalApplicationsForuseingeneralpurposerectificationofpowersupplies,inverters,converters,andfreewheelingdiodesapplication.PowerSuppliesBatteryChargersVoltageDoublersAdaptersRectificationComponentsprotectionBlockingincomingvoltagewherenotrequiredWheretoUse1N40071N4007canbeusedinvarietyofcircuits,itisnormallybuiltforgeneralpurposerectificationpurposebutitcanalsobeusedinanycircuitwherethereisneedofvoltageblocking,blockingvoltagespikesetc.Itcanalsobeusedindigitallogiccircuits.1N4007MechanicalDataCase:DO-41(DO-204AL),moldedepoxybody,moldingcompoundmeetsUL94V-0flammabilityrating,baseP/N-E3-RoHS-compliant,commercialgradeTerminals:mattetinplatedleads,solderableperJ-STD-002andJESD22-B102E3suffixmeetsJESD201class1AwhiskertestPolarity:colorbanddenotescathodeend1N4007ParametersCaseConnectionISOLATEDConfigurationSINGLECurrent1ADiameter2.7mmDiodeElementMaterialSILICONDiodeTypeRECTIFIERDIODEECCNCodeEAR99ElementConfigurationSingleForwardCurrent1AForwardVoltage1VHTSCode8541.10.00.80JEDEC-95CodeDO-204ALJESD-30CodeO-PALF-W2Length5.2mmManufacturerPartNumber1N4007ManufacturerVishaySemiconductorsMaxForwardSurgeCurrent(Ifsm)45AMaxOperatingTemperature150CMaxRepetitiveReverseVoltage(Vrrm)1kVMaxReverseCurrent5uAMinOperatingTemperature-55CMountThroughHoleNumberofElements1NumberofTerminals2OperatingTemperature-Max175COperatingTemperature-Min-50COutputCurrent-Max1APartLifeCycleCodeTransferredPinCount2ReachComplianceCodeUnknownRepPkReverseVoltage-Max1000VReverseRecoveryTime-Max30sRiskRank3.5SurfaceMountNOTerminalFormWIRETerminalPositionAXIAL1N4007PackageInformation1N4007AlternativesManufacturerManufacturerPartNo.LifecycleStatusIndicatorSTMicroelectronicsSTTH110VolumeProductionVishaySemiconductors1N4007GPHE3/54ObsoleteMicrosemiJANTX1N3957VolumeProductionRectron1N4007-FUnknownVishaySemiconductors1N4007-E3/54VolumeProductionVishaySemiconductors1N4007GP-E3/54VolumeProductionVishaySemiconductors1N4007GP-E3/73VolumeProductionVishaySemiconductors1N4007GPE-E3/73VolumeProductionVishaySemiconductors1N4007GPE-E3/54VolumeProductionVishaySemiconductors1N4007GP-E3/53VolumeProductionHowtoSafelyLongRun1N4007inaCircuitToobtainthemaximumoperatingtimeofthediode,itisrecommendedtoalwaysstaybetween30and40Vbelowitsmaximumrepetitivereversevoltageandothervalues.Alwaysconnectwithcorrectpolarity,donotexceedaloadof1A.Donotoperateandstoreatatemperaturebelow-55centigradeandabove+175centigrade.1N4007PopularitybyRegion1N4007MarketPriceAnalysisComponentDatasheet1N4007DatasheetFAQWhattypeofdiodeis1n4007?Rectifierdiode.1N40071APowerDiode.1N4007isarectifierdiode,designedspecificallyforcircuitsthatneedtoconvertalternatingcurrenttodirectcurrent.Itcanpasscurrentsofupto1A,andhavepeakinversevoltage(PIV)ratingof1,000V.CanIuse1n4007insteadof1n4001?Yes.The1N4007canwithstandahigherreversevoltage(Vr),1000Vvs....(The1N4001isratedforaVr(RMS)of35V.)Whilediodeslike1N400xmaybewellsuitedasfreewheelingdiodesintermsofvoltageandcurrent(ratedat1A),theyrenotexactlyfast.Whatisthebreakdownvoltageofdiode1n4001and1n4007?Somediodes--suchasthe1N4001--willbreakdownat50voltsorless.The1N4007,however,cansustainapeakrepetitivereversevoltageof1000volts.CanIuse1n4007insteadof1n4004?Thedifferencesbetween1N4004and1N4007aretheworkingpeakreversevoltagewhois1000Vforthe1N4007insteadof280Vforthe1N4004.Youcanuseitinplacewithoutanyproblemlikeall1N400Xdiodesrectifier.Whatarethedifferencebetween1N4007and1N4001?Differencesare:PeakRepetitiveReverseVoltageof1N4001is50Vwhilethatof1N4007is1000V.RMSReverseVoltageof1N4001is35Vwhilethatof1N4007is700V.Whatistheequivalentofdiode1N4001?Theequivalentsfordiode1N4001are1N4148,1N4733A,1N5408,1N5822.Plslearntheirdifferencesclearlybycomparingdatasheet,pinout,andapplicationsbeforeyouchooseforareplacement.Whatarethespecificationsof1n4007gdiode?1N4007GSpecifications:DiodeType:StandardRecovery;RepetitiveReverseVoltageVrrmMax:1kV;ForwardCurrentIf(AV):1A;ForwardVoltageVFMax:1V;ReverseRecoveryTimetrrMax:-;ForwardSurgeCurrent1N4148WS1N54011N5402Whatisthedifferencebetweendiodeanddiode?Note:CompleteTechnicalDetailscanbefoundatthe1N4001datasheetgivenattheendofthispage.1N4148,1N4733A,1N5408,1N5822,ZenerDiodes.Adiodeisadevicewhichallowscurrentflowthroughonlyonedirection.ThatisthecurrentshouldalwaysflowfromtheAnodetocathode.

Thisisablogdiscussesthedifferencebetween1N4148,1N4007,1N5819.CatalogI.BriefIntroductionto1N4148,1N4007,1N5819II.DiodesIntroduction2.1SwitchingDiode2.2RectifierDiode2.3SchottkyDiodeIII.1N4148vs1N40073.1GeneralDifference3.2ApplicationDifference3.3ConclusionIV.1N4148vs1N5819I.BriefIntroductionto1N4148,1N4007,1N58191N4148isafastswitchingdiode.Itisfabricatedinplanartechnology,andencapsulatedinhermeticallysealedleadedglassSOD27(DO-35)packages.1N41481N4007isaPNjunctionrectifierdiode.Thesetypesofdiodesallowonlytheflowofelectricalcurrentinonedirectiononly.So,itcanbeusedfortheconversionofACpowertoDC.1N40071N5819isaSchottkydiodewith2pins,apeakcurrentof25A,andanoperatingtemperaturerangeof-65C~+125C.ItiscommonlyusedinhighfrequencyapplicationslikeInverters,DC-DCconvertersetc.1N5819II.DiodeIntroductionNext,welltalkaboutwhatdiodeis,andgivesomeexplanationsofsomecommontypesofdiodeswhichappearinthisarticle.Whatisdiode?Well,thediodeisatwo-terminalelectricaldevicethatallowsthecurrenttobetransferredinonedirectiononly.Thediodeisalsoknownforitsunidirectionalcurrentproperty,wheretheelectricalcurrentisallowedtoflowinonedirection.Inprinciple,adiodeisusedtorectifywaveforms,inradiodetectorsorinpowersupplies.Theycanalsobeusedinvariouselectricalandelectroniccircuitswheretheone-waydioderesultisrequired.MostdiodesaremadefromsemiconductorssuchasSi(silicon),butinafewcasesGe(germanium)isalsoused.Thereareseveraltypesofdiodesandthoseareavailableforuseinelectronicsdesign,suchas:Laserdiode,Lightemittingdiodes,crystaldiode,PNJunction,Shockleydiode,Zenerdiodeandmanyothers.Wewillonlydiscussthediodetypesthatappearinthearticle,namelyswitchingdiode,rectifierdiodeandschottkydiode.2.1SwitchingDiodeASwitchingDiodeiscommonlyreferredtoasaSignalDiode,itisasemiconductorthatcanbeusedtoswitchsignalsoractasarectifieratlowvoltages.Withinacircuittheycanprovidesimilarfunctionalitytoaphysicalswitch,withtheon/offstategovernedbythedirectionofthecurrentflow.Whenthereisforwardcurrentinthecircuit(forward-bias),theswitchingdiodeeffectivelyisaclosedswitchwithlowresistance,allowingcurrenttoflow.Ifthecurrentofthecircuitisreversed(reversebias),theswitchingdiodeprovideshighresistance,preventingcurrentflowuptoaspecifiedthreshold.Aswitchingdiodecanbeusedinlowvoltageapplicationsthatrequirefastswitchingandahighspeedrectification.Adiodecanalsobeusedasacircuitprotectiondevicetopreventreversecurrentdamagingadeviceupstreamoftheswitchingdiode,suchasmicrocontroller.2.2RectifierDiodeArectifierdiodeisasemiconductordiode,usedtorectifyAC(alternatingcurrent)toDC(directcurrent)usingtherectifierbridgeapplication.ThealternativeofrectifierdiodethroughtheSchottkybarrierismainlyvaluedwithindigitalelectronics.ThisdiodeiscapabletoconductthevaluesofcurrentwhichchangesfrommAtoafewkAvoltagesuptoafewkV.Rectifierdiodesareusedinpowersuppliestoconvertalternatingcurrent(AC)todirectcurrent(DC),aprocesscalledrectification.Theyarealsousedelsewhereincircuitswherealargecurrentmustpassthroughthediode.Allrectifierdiodesaremadefromsiliconandthereforehaveaforwardvoltagedropof0.7V.Thetableshowsmaximumcurrentandmaximumreversevoltageforsomepopularrectifierdiodes.The1N4001issuitableformostlowvoltagecircuitswithacurrentoflessthan1A.2.3SchottkyDiodeASchottkydiodeisalsoknownasahotcarrierdiode;itisasemiconductordiodewithaveryfastswitchingaction,butalowforwardvoltagedrop.Whenacurrentflowsthroughthediodethereisasmallvoltagedropacrossthediodeterminals.Inanormaldiode,thevoltagedropisbetween0.6to1.7volts,whileinaSchottkydiodethevoltagedropnormallyrangesbetween0.15and0.45volts.Thislowervoltagedropprovideshigherswitchingspeedandbettersystemefficiency.InSchottkydiode,asemiconductormetaljunctionisformedbetweenasemiconductorandametal,thuscreatingaSchottkybarrier.TheN-typesemiconductoractsasacathodeandthemetalsideactsastheanodeofthediode.SchottkydiodesareusedforthevoltageclampingapplicationsandpreventionoftransistorsaturationduetothehighcurrentdensityintheSchottkydiode.ItsalsobeenalowforwardvoltagedropinSchottkydiode,itiswastedinlessheat,makingthemanefficientchoiceforapplicationsthataresensitiveandveryefficient.BecauseoftheSchottkydiodeusedinstand-alonephotovoltaicsystemsinordertopreventbatteriesfromdischargingpurposeforthesolarpanelsatnightaswellasingrid-connectedsystems,containingmultiplestringsareconnectedinparallelconnection.Schottkydiodesarealsousedasrectifiersinpowersupplies.III.1N4148vs1N40073.1Generaldifference1.1N4148and1N4007canbereplacedwitheachotherincaseofgeneralsmallcurrent(below100mA,reversevoltagebelow100V)andunimportantoccasions.2.1N4148isasmallcurrentswitchtube,withavoltageresistanceof100V.3.1N4007isarectifiertube,1A-1000V.Therearemanytypesofsubstitutemodels.3.2ApplicationdifferenceGenerallyspeaking,wemostlyuse1n4148whenusingfreewheelingdiodes;Sinceitisafreewheelingdiode,itisgenerallyusedoninductiveloads,suchas:buzzer,relay;Severalfactorswehavetoconsiderare:1.Howfastisthefreewheelingdiode?Justtakeanappropriatevalue;forexample,MSlevel,USlevel,NSlevel?2.Whatisthecurrentofthefreewheelingdiode?LookattheDSmanual,dontburnitout.3.Howhighisthevoltageofthefreewheelingdiode?LookattheDSmanual,dontbreakit.3.3Conclusion1N4148:100Vreversewithstandvoltageand150mAaverageforwardcurrent,verysuitableforordinaryrectificationingeneraloccasions.Thereverserecoverytimeof4nSissufficientformostoccasions.1N4007:Maximumforwardaveragerectifiedcurrent,1Amaximumreversewithstandvoltage,1000Vlowreverseleakagecurrent,5uA(maximum)forwardvoltagedrop,1.0Vmaximumreversepeakcurrent,30uA,reverserecoverytime30us;1N4148:Generally,IN4148isusedinweakcurrentinductiveloads,suchasbuzzerandothersmallcurrentinductiveloads;1N4007:Generallyusedinlargecurrentloads,suchasindustrialload(relay),powersupplyload;Thebiggestdifferencebetweenthemisthecurrent,voltage,andresponsespeed.Inasense,1N4007canreplace1N4148,aslongastheresponsespeedisnottoodemanding,1N4148isdestinedtobeusedonlyonweakcurrentlow-currentinductiveloads.IV.1N4148vs1N5819Highfrequency,lowvoltage,andhighcurrentcharacteristicsarethedifferencesbetween1N5819diodesandordinarydiodes.Itiswidelyusedinswitchingpowersupplies,frequencyconverters,driversandothercircuitsforhighfrequency,lowvoltage,highcurrentrectification,freewheeling,anddiodeprotection.1N5819ischaracterizedbyultra-fastspeed(lowswitchingloss),extremelylowforwardvoltagedrop(lowvoltageloss),butalsolowreversewithstandvoltage,usuallylessthan60V,suitableforlow-voltage(nohigherthan12V)switchingpowersupply.Anotheruseof1N5819diodeistouseitsreversecharacteristictostabilizevoltage.Therefore,whenthewithstandvoltageislowandthecurrentisnotlarge,youcanconsiderusingaZenertubeinstead.1N4148isapointcontacttypelowcurrenthighfrequencyswitchingdiodewithhighspeed,buttheworkingcurrentisonly150mA,whichiswidelyusedincircuitswithhighersignalfrequencies.Thereverseleakageof1N5819tubeisrelativelylarge,butithasthecharacteristicsofsmallcapacitanceandhighspeed.Butitisnotasfastas1N4148,afterall,thepurposeof1N4148ishighfrequencydetection,notrectification.TL082isanOpAmpIC.Indetail,itisahighspeedJFETinputdualoperationalamplifier.Highspeed,lowcost,thisdevicecomeswithaninternaltrimmedoffsetvoltage.Itisavailablewithafastslewrate,alargebandwidthgain,andalowpowersupply.ThisblogprovidesyouwithabasicoverviewoftheTL082op-amp,includingitspindescriptions,functionsandspecifications,producers,etc.,tohelpyouquicklyunderstandwhatTL082is.Ifthisblogcanbehelpfultoyou,wewillbeveryhonored.Ofcourse,ifyouhaveanyquestions,donothesitatetoleaveyourcomments.Circuits:MagnetMotionDetectorusingTL082Op-AmpCatalogTL082PinoutTL082CircuitTL082ApplicationsTL082FeaturesTL082AdvantageTL082PackageTL082ParametersTL082ManufacturerTL082DocumentsComponentDatasheetTL082PinoutTL082CircuitSchematicforInvertingAmplifierApplication100-kHzQuadratureOscillatorTL082FunctionalBlockDiagramTL082ApplicationsSolarenergy:stringandcentralinverterMotordrives:ACandservodrivecontrolandpowerstagemodulesSinglephaseonlineUPSThreephaseUPSProaudiomixersBatterytestequipmentTL082FeaturesWidecommon-modeRejectionratioof70dBto86dBandwidevoltagesupplyrangeAlowinputbiascurrentLessPowerRequirementInternalfrequencycompensationSupplycurrentis1.4mAwhichisverylowLowoffsetcurrentNorequirementofalatchHighinputimpedanceJFETinputstageShort-circuitprotectionforoutputAlargegainbandwidthof3MHzHighinputimpedanceSlewrateishightypically16V/sOperatingtemperaturerangeisfrom55Cto+125CTL082AdvantageTL082OpAmpTheTL082isahigh-speed,low-cost,wide-bandwidthdualJFETinputoperationalamplifier.Thecomponenthasaninternallytrimmedoffsetvoltage.Ithasafastslewrateandlowsupplycurrent.ThisJFETinputdevicecanbeextendedwithlowoffsetandinputbiascurrents.TheTL082iselectricallycompatiblewiththeLM1558andisusedtoimprovetheoverallperformanceoftheLM1558device.Withhighinputimpedanceandlowtotalharmonicdistortion,thisdevicefeatureslownoiseandoffsetvoltagedrift.Theamplifieriswidelyusedinaudiopreamplifiers,sample-and-holdamplifiersandpeakdetectors,andactivefilters.TL082PackagePDIP(P)SO(PS)SOIC(D)TSSOP(PW)TL082ParametersNumberofchannels(#)2Totalsupplyvoltage(Max)(+5V=5,+/-5V=10)30Totalsupplyvoltage(Min)(+5V=5,+/-5V=10)7Rail-to-railIntoV+GBW(Typ)(MHz)3Slewrate(Typ)(V/us)13Vos(offsetvoltage@25C)(Max)(mV)6Iqperchannel(Typ)(mA)1.4Vnat1kHz(Typ)(nV/rtHz)18RatingCatalogOperatingtemperaturerange(C)-40to85,0to70Offsetdrift(Typ)(uV/C)18FeaturesStandardAmpsInputbiascurrent(Max)(pA)200CMRR(Typ)(dB)86Outputcurrent(Typ)(mA)10ArchitectureFETTL082ManufacturerTexasInstrumentsInc.(TI)isanAmericantechnologycompanythatdesignsandmanufacturessemiconductorsandvariousintegratedcircuits,whichitsellstoelectronicsdesignersandmanufacturersglobally.ItsheadquartersareinDallas,Texas,UnitedStates.TIisoneofthetoptensemiconductorcompaniesworldwide,basedonsalesvolume.TexasInstrumentsfocusisondevelopinganalogchipsandembeddedprocessors,whichaccountsformorethan80%oftheirrevenue.TIalsoproducesTIdigitallightprocessing(DLP)technologyandeducationtechnologyproductsincludingcalculators,microcontrollersandmulti-coreprocessors.Todate,TIhasmorethan43,000patentsworldwide.TL082DocumentsWhatisanopamp?HowtolayoutaPCBforhigh-performance,low-sidecurrent-sensingdesignsCompensationMethodologyforErrorinSKLow-PassFilter,CausedbyLimitedGBWComponentDatasheetTL082Datasheet

PC817isanoptocoupler.ThisblogcoversPC817Optocouplerpinout,datasheet,equivalent,features,andotherinformationonhowtouseandwheretousethisdevice.CatalogPC817PinoutPC817CircuitPC817ApplicationsPC817FeaturesPC817AdvantagePC817PackagePC817ManufacturerPC817AlternativesPC817EquivalentsWheretousePC817HowtousePC817HowtoSafelyLongRunPC817inCircuitPC817PopularitybyRegionPC817MarketPriceAnalysisComponentDatasheetFAQPC817PinoutPinNumberPinNameDescription1AnodeAnodepinoftheIRLED.Connectedtologicinput2CathodeCathodepinoftheIRLED.Connectedtoground3EmitterEmitterpinoftransistor.ConnectedtoGround4CollectorCollectorpinoftheTransistor.ProvideslogicaloutputPC817CircuitCircuitDiagramThecircuitdesignisgivenbelow.ThecircuitistotallysimplebuttheresistancewillgiveitprotectionattheinputinHIGHvoltages.TheOptocouplerisjustasmall-sizedcircuitofinfraredreceiverandsenderbutincaseofmakingitwithexternallybyusingIRsenderandreceivercausemanyproblems.Firstmanuallymadecircuitcomesinalargersize,thenincaseofIRreceivingdevicesthecircuitIRsenderofautocouplerorreceivercouldbeaffectedbyotherIRsignals.Theclosedcommunicationprotectsitfrommanythingsespeciallyfromtemperaturetoo.ThemanuallymadeOptocouplerhaslowvoltageoperatingvoltagelevelascomparetothisPC817.TestCircuitforResponseTimeTestCircuitforFrequencyResponsePC817ApplicationsInprotectionlikeelectricisolation,PC817isreliabletouseduetoitsfunctionality.PC817ismuchefficientinswitchingformicrocontrollers.Simpletransistorscanbeusedbutduetoitsneglectingthenoisefactortheoptocouplercanbeusedasswitchingtoo.InsignalIsolation,theoptocouplerisfasterandwidelyusedfromthepreviouscentury.Optocouplerisalsousedforabasicnoisecouplingcircuittokeepthecircuitinusewithoutanydisconnectivity.NowadaysIChasthebestusesinIoTdevicesforswitchingandzerocross.In-HomeappliancetocontrolACloadoptocouplergivesthepulseofchangeinfrequencywhichgivestheabilitytocontroltheACloadataspecificrange.ForSignaltransmissiontheoptocoupleriswidelyusednowadays.PC817FeaturesItcomeswith4-pinsintwopackages,DIPandSMT.Thedevicehasaninternalprotectionformofelectricalisolation.Theprotectionisforbothinputandoutput.ItcanprotectuptoHIGH5KVfromelectricisolation.Theoptocouplercanbeusedwithanexternalresistorwithhighvoltagedevicestooperatewithlowvoltagedevices.TheoptocouplercanoperatewithanykindofdevicewithinternalinterfaceslikewithTTLdevice,MicrocontrollersandevenwithHIGHDCvoltagewithsomeinternalresistors.OptocouplerPC817comeswithinternalprotectionfromreversecurrent.Duetotheone-waycurrentflownatureofIR,thePC817protectstheIRfromanyreversecurrent.PC817AdvantagePC817OptocouplerPC817isalsoknownasanoptocoupler/optoisolator.ItconsistsofInfraredEmittingDiode(IRED).ThisIREDiscoupledtoaphototransistoropticallyandnotelectrically.Itisclosedinafour(4)pinpackage.Thispackageisusuallyavailableintwodifferentforms.Thefirstoneiswidelead(Pb)spacingoptionandthesecondoneisSMTgullwingleadformoption.PC817hasaninternalLEDandaphototransistor.ThephototransistorsbasebecomesactivatewhenLEDthrowslightonit.Theoutputobtainedcanbedividedintotwoformatseithercommonemitterorcommoncollector.Buttheconfigurationismostlycommonemitter.IftheLEDdoesnotglow,transistorremainsoffandhencetherewillbnooutputgeneratedbytheoptocoupleri.e.PC817.PC817hasdifferentfeature,e.g.doubletransfermoldpackage,currenttransferratio,differentCTRranksavailable,RoHScomliant,lead(Pb)freeetc.Itsreal-lifeapplicationincludesnoisesuppressioninswitchingcircuits,programmablecontrollers,signaltransmissionbetweencircuitshavingdifferentvoltages,signaltransmissionbetweendifferentimpedanceetc.PC817PackageThrough-Hole[ex.PC817X]SMTGullwingLead-Form[ex.PC817XI]WideThrough-HoleLead-Form[ex.PC817XF]WideSMTGullwingLead-Form[ex.PC817XFP]PC817ManufacturerSharpMicroelectronicsoftheAmericas(SMA)drivesinnovativeLCD,optoelectronics,memory,imager,andRFcomponentstomarket.TheworldsleadingmanufacturersofconsumerandbusinesstechnologieslooktoSMAfortheproducts,expertise,andworldwidesupporttheyneedtomaketheirvisionsareality.SMA,inCamas,Washington,isthemicroelectronicssalesandmarketingdivisionofSharpElectronicsCorporation,awhollyownedsubsidiaryofSharpCorporation.PC817AlternativesThesearethealternativeoptions:4N25,6N136,MOC3021,MOC3041,6N137PC817EquivalentsThereplacementandequivalentofPC817optocouplerarePC816,PC123,TLP621,TLP321,TLP421,PC17K1,H11A817,SFH615A,PS2501-1,PS2561-1,PS2571-1,LTV-816,LTV-817(-V),LTV123,LTV-610K1010,K817P,SFH615AWheretousePC817IfyouaregoingtodesignanelectroniccircuitinwhichthereisachanceofvoltagespikesorvoltagesurgewhichmayweakordestroythecomponentsorthecircuitthenyoucanusethePC817optocouplertoisolatethecircuit.Moreoveritcanalsobeusedtoremovenoisefromanelectronicsignal,isolateDCandlowvoltagecircuitsfromACandhighvoltagecircuits.YoucanalsouseitwhereyouwanttocontrollargervoltageorACvoltagefromsmallanysmallsignalwhichcanbeadigitalsignaloranalog.HowtousePC817UsingPC817optocoupleriseasy,therearefourpinsshownintheabovepinoutdetails.Thepin1isanodeorpositivepinoftheIRLEDshouldbeconnectedfromtheoutputsignalofyourcircuitandpin2shouldbeconnectedtotheground.Theotherpartofthecircuitwhichyouwanttoisolateorcontrolledshouldbeconnectedwiththepin3(Emitterofthephototransistor)andpin4(Collectorofthephototransistor).Thepin3andpin4workssameasanyothernormaltransistorforexampleaBJTtransistorsemitterandcollector.HowtoSafelyLongRunPC817inCircuitTosafelylongrunPC817optocouplerinyourcircuitisrecommendedtoalwaysstaybelowtheabsolutemaximumratings.Donotdriveloadmorethan50mA,TheinternalIRLEDcanbederivedsameasyoudriveanyothernormalLEDwithacurrentlimitingresistorthereforealwaysuseacurrentlimitingresistoratthepin1ofoptocouplerwhichistheIRLEDanodeorpositivepin.Donotoperatethedeviceintemperaturebelow-30centigradeandabove100centigradeandalwaysstoreintemperatureabove-55centigradeandbelow125centigrade.PC817PopularitybyRegionPC817MarketPriceAnalysisComponentDatasheetPC817DatasheetFAQWhatisPC817?PC817isalsoknownasanoptocoupler/optoisolator.ItconsistsofInfraredEmittingDiode(IRED).ThisIREDiscoupledtoaphototransistoropticallyandnotelectrically.Itisclosedinafour(4)pinpackage.Thispackageisusuallyavailableintwodifferentforms.WhyisOptocouplerUsed?Whenusedcorrectly,anOptocouplercaneffectively:Removeelectricalnoisefromsignals.Isolatelow-voltagedevicesfromhigh-voltagecircuits.AllowyoutousesmalldigitalsignalstocontrollargerACvoltages.WhatisaPC817Pinout?PC817Pinoutconsistsoffour(4)pinsintotal,firsttwoareconnectedwiththeInfraredEmittingDiode(IRED)whilethelasttwoareconnectedwithPhotoTransistor.HowDoesPC817Work?InPC817photoisolatorICcircuit,theIRreceivesthenoisysignalasapowerfromtheonecircuitandpassesittotheotherpartthroughtheIRsignal.Theotherpartreceivesthesignalandthenperformsaccordingtothecircuitdesign.PN2222isaconjointNPNbipolarjunctiontransistorwhichisusedforcommonpersistencelesspowerintensifyingorswappingcircuitsapplications.ThisblogcoversthebasicinformationofPN2222fromitspinout,features,equivalentstoitsuse,workingprinciple,anditsdifferencebetween2N2222andsoon.Anyway,hopethisbloghelpsandthanksforreading!CatalogPN2222PinoutPN2222FeaturesPN2222AbsoluteRatingsPN2222EquivalentPN2222vs2N2222WheretousePN2222transistorPN2222WorkingPrinciplePN2222ApplicationsPN2222PackagePN2222PopularitybyRegionPN2222ManufacturerComponentDatasheetFAQPN2222PinoutPN2222PN2222PinoutPinNumberPinNameDescription1CollectorTheemitterisforthecurrentinwardmovement.2BaseThebasecontrolsthebiasingofthetransistor.3EmitterEmitterisforcurrentdrainageout.PN2222FeaturesItisbi-polarhighercurrentuserNPNtransistor.ItDCgainis(hFE)is100.ItsincessantCollectorcurrent(IC)is800mA.Its(VBE)Emitter-basevoltageissixvolts.Itsvoltagebetweencollectorandemitteristhirtyvolts.ExtremebasecurrentIbis5mA.ItsaccessibleinTo-92Compendium.Itscollectorintemperancefactoris0.625W.Itschangeoverfrequencyis300MHz.Ithasafunctioningandstoringconnectiontemperaturerange-55to+150C.PN2222AbsoluteRatingsPN2222EquivalentPartNumberDescriptionManufacturerPN2222/D27ZTRANSISTORS500mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92TexasInstrumentsPN2222/J18ZTRANSISTORS500mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92TexasInstrumentsPN2222/D74ZTRANSISTORS500mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92TexasInstrumentsPN2222/J05ZTRANSISTORS500mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92TexasInstrumentsPN2222/D81ZTRANSISTORS500mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92TexasInstrumentsPN2222TRANSISTORSSmallSignalBipolarTransistor,0.6AI(C),30VV(BR)CEO,1-Element,NPN,Silicon,TO-92,TO-92,3PINFairchildSemiconductorCorporationPN2222BUTRANSISTORSSmallSignalBipolarTransistor,0.6AI(C),30VV(BR)CEO,1-Element,NPN,Silicon,TO-92,LEADFREE,TO-92,3PINFairchildSemiconductorCorporationPN2222TARTRANSISTORSSmallSignalBipolarTransistor,0.6AI(C),30VV(BR)CEO,1-Element,NPN,Silicon,TO-92,LEADFREE,TO-92,3PINFairchildSemiconductorCorporationPN2222TFRTRANSISTORS600mA,30V,NPN,Si,SMALLSIGNALTRANSISTOR,TO-92,LEADFREE,TO-92,3PINRochesterElectronicsLLCPN2222_J61ZTRANSISTORSSmallSignalBipolarTransistor,0.6AI(C),30VV(BR)CEO,1-Element,NPN,Silicon,TO-92,LEADFREE,TO-92,3PINFairchildSemiconductorCorporationPN2222vs2N22222N2222isthemostcommonNPNbipolarjunctiontransistoravailableinthemarket.SameasPN2222,itcanbeusedforamplificationofanalogsignalsaswellasswitchingapplications.Formostpurposes,theyareinterchangeable.Buttherearesubtledifferencesbetweenthem.Firstly,package,PN2222isinamolded-epoxyTO-92;2N2222isinaTO-18metalcan.Secondly,gainandleakagecharacteristics,PN2222Aisproperlyarepackagingof2N2222A,abetterversionof2N2222.WheretousePN2222transistorPN2222,justlikethegenerallyusedNPNtransistorBC547.Nevertheless,therearetwosignificanttopographieswhichdifferentiatebothofthem.Itcanpermitcollectorcurrentupto800mAandaswellhaspowerintemperanceof652mW.Duetothis,itisusedforlargerloadsthenBC547.SoifyouareconsideringforanNPNtransistorwhichcanswitchloadsoflargecurrentuser,thenPN2222willbetherightoptionforyourindustrialdevelopments.PN2222WorkingPrincipleLikeothertransistors,PN2222canbeusedasanamplifierandswitch.Voltagecrosswaysofbaseandemitteraresixvolts,sowehavetoapplythesevoltagecrosswaysbaseandemittertopersuadeabasecurrentofthetransistor.Thiswillchangeittoforwardbiasingandconsequentlycompletionsthelinkingbetweencollectorandemitter.Oneimportantthinginthiscircuitisthebaseresistorwhichisacurrentpreventiveresistor.Thisresistorinthecircuitisforlimitthecomingcurrentwhichcandamagethetransistor.Itsvaluecanbefoundbythegivenequation.RB=VBE/IBTomarkthingsmodest,Ihaveexposedabasiccircuitofthetransistorasaswitch.Inarealcircuit,alterationsmustbevital.Inthiscircuit,Isuppliedfivevoltstothebaseand1Kresistortolimitthecurrent.Noticethatinthiscircuitmotorconsumesaround500mAbythe12Vsupplysource,meanwhilethePN2222ratingofthecollectorupto800mA,whichshowstheimportancethatifwehaveBC547inthecircuititwouldbedamaged.PN2222ApplicationsItisusedwherehighercurrentconsumerloadsinthecircuit.Itisusedinnumerousswappingsubmissions.Itusedtocontrolthespeedofdifferenttypesofmotors.Itusedininversionandrectificationcircuits.ItalsousedinDarlingtonpairs.PN2222PackagePN2222PopularitybyRegionPN2222ManufacturerONSemiconductorisdrivingenergyefficientinnovations,empoweringcustomerstoreduceglobalenergyuse.Thecompanyoffersacomprehensiveportfolioofenergyefficientpowerandsignalmanagement,logic,discreteandcustomsolutionstohelpdesignengineerssolvetheiruniquedesignchallengesinautomotive,communications,computing,consumer,industrial,LEDlighting,medical,military/aerospaceandpowersupplyapplications.ComponentDatasheetPN2222DatasheetFAQWhatisaPN2222?ThePN2222isaconjointNPNbipolarjunctiontransistorwhichisusedforcommonpersistencelesspowerintensifyingorswappingcircuitsapplications.Itisintendedforlowtointermediatecurrent,squatpower,intermediatevoltageandcanactivateatatemperatelyhigherspeed.HowdoyouknowifatransistorisNPNorPNP?Dependingonwhatisaddedtothesilicon,itwillbeeitherN-typeorP-type.AnNPNtransistorhasapieceofP-typesilicon(thebase)sandwichedbetweentwopiecesofN-type(thecollectorandemitter).InaPNPtransistor,thetypeofthelayersarereversed.Whatexactlydoesatransistordo?Atransistorisasemiconductordeviceusedtoamplifyorswitchelectronicsignalsandelectricalpower....Itiscomposedofsemiconductormaterialusuallywithatleastthreeterminalsforconnectiontoanexternalcircuit.Whatis2N2222Atransistorusedfor?The2N2222AisacommonNPNbipolarjunctiontransistorcommonlyusedingeneralpurposelow-poweramplifyingorswitchingapplications.Featuringlowtomediumcurrentneedsandoperableatmoderatelyhighspeeds.

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