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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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WS2 Scheda tecnica(PDF) 6 Page - Metcal |
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WS2 Scheda tecnica(HTML) 6 Page - Metcal |
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6 / 64 page  3 637A 670A 642A Heavy Light 637A 670A 642A CF=.89 CF=.50 CF=.25 Powered by SmartHeat® Savvyelectronicproductionengineersdefine successbyhowtheymaximizetheir productivity,yield,andproductreliability.All ofthesefactorsdependdirectlyuponprocess control.Toachievesuccess,OKInternational hasdevelopedSmartHeat®conduction solderingsystemswhichuniquelysensethe exactthermalrequirementforeachsolderjoint andrespondbydeliveringthepreciseamount ofthermalenergyattheraterequiredtocreate areliableconnection.Theresultisahigh degreeofcontrolwithoutresortingtohighertip idletemperaturesrequiredbyconventional ceramicheatertechnologies.Consequentlythe riskofcomponent/boarddamageisminimized, especiallyimportantwiththegreaterthermal demandsrequiredbylead-freeapplications. Asyouʼllseebelow,SmartHeat®provides uniquebenefitsinthedeliveryofhigh reliabilitylowriskconductionsoldering solutions,especiallywithlead-freealloys.All oftheseadduptoprovideahighlyconsistent levelofprocesscontrol. SmartHeat® Delivers Direct Power Firstandforemost,thesuccessofconductionsolderingdependsupon theavailabilityandcontrolledflowofthermalenergyintotheconnection duringthetwocriticalphases-fluxactivationandintermetallicbond formation.Lead-freealloys,withhigherthermaldemands,further heightentheserequirements.Conventionalceramicheatersattemptto controlthisprocessbymanagingindirectparameters,suchasthetipidletemperature.Incontrast,SmartHeat® Technologysensesthespecificthermaldemanddirectlyatthesolderpadanddeliverstheprecisequantityandflowof thermalenergyduringbothphasestoensureareliableconnection. Precision Tip Selection - The Conductivity Factor Duringtheexecutionofasuccessfullysolderingconnection,thetipisthethermalenergy“highway”fromtheheaterto thepadand,therefore,thechoiceoftip geometryiscriticaltopreventpowerlosses. Inadditiontoprovidingthemostthermally efficienttipdesigns,OKInternationalhas pioneeredthetip“ConductivityFactor”rating systemprovidingoperatorswithquantifiable guidanceintheselectionoftheoptimumtip geometry.Additionally,ourproprietary PowerMetercanquantifyexactpadenergy requirements,furtherrefiningthetipselection process.Lead-freealloys,withtighterthermal demands,makethesetoolsmandatory. SmartHeat® Technology |
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