端子设计计算

BulkResistanceCalculatorBulkResistanceCalculatorElectricalCondutivityChart(%IACS)English(inches)Metric(mm)UNSNumberAlloyTempersMinimumMaximumConductivityin%IACSConductivityin%IACSC11000Cu110NotAged97101.5Minimum48Minimum17C15100CuZr151NotAged95-Maximum60Maximum26C17000CuBe165NotAged1519Length12Length5.08AgeHardened2228Width0.036Width0.4MillHardened1833Thickness0.002Thickness0.15C17200CuBe25NotAged1519AgeHardened2228BulkResistance(ohms)BulkResistance(ohms)190MillHardened1728Maximum0.2358Maximum0.0086290MillHardened1726Minimum0.1886Minimum0.0056C17410CuBe1741/2HT50-HT48-BulkResistance(milli-ohms)BulkResistance(milli-ohms)C17450,60Cube171MillHardened50-Maximum235.76Maximum8.57C17510CuBe3,10NotAged2030Minimum188.61Minimum5.60AT4560HT,HTR4860HTC60-C19400CuFe194NotAged60-C19500CuFe195NotAged45-C19700CuFe197NotAged80-C19900CuTi199MillHardened1318C26000Brass260NotAged28-C40850SnBrass4085NotAged30-C42500SnBrass425NotAged28-C50780PBronze5078NotAged35-C51000PBronze510NotAged20-C51100PBronze511NotAged20-C51800PBronze518NotAged20-C51900PBronze519NotAged16-C52100PBronze521NotAged13-C63800AlBronze638NotAged10-C65400SiBronze654NotAged7-C66400Bronze664NotAged30-C68800AlBrass688NotAged1618C70250CuNiSn7025TM00,TM0240-TM033550C70260CuNiSn7026H0660-H0840-C72500CuNiSn725NotAged11-C72900CuNiSn729MillHardened7.8-C77000NiAg770NotAged5.5-RLwtR=BulkResistance,=ResistivityL=ConductingLength,w=ConnectorWidth,t=ConductorThickness=6.7910ohmin=Ohmcmat100%IACS-7172105.Thetotalresistanceofanelectricalcontactisthesumofthebulkresistanceandtheresistanceoftheinterface.Theinterfaceresistancederivesfromfilmandconstrictionresistance.Thereisnoexactformulatocomputethese.However,theyaredirectlyproportionaltothesurfacehardnessandinverselyproportionaltothenormalforceofthecontactinterface.RRRRRHardnessNormalForceRHardnessNormalForceContactBulkConstrictionFilmConstrictionsurfaceFilmTunnel111Theconstrictionresistanceisusuallyafewmilli-ohmsandthefilmresistancevarieswithnormalforce.PreparedbyBrushWellman2020/5/15Page1TemperatureRiseCalculator*Assumesconductiveheattransferonly,noradiativeorconvectiveheattransferLength(inches)=2.5Length(mm)=33ChoosethesystemofLength(inches)=2.5Width(inches)=1Width(mm)=7unitsyouwishtouse.Width(inches)=1Thickness(inches)=0.01Thickness(mm)=0.2Thickness(inches)=0.01Current(Amps)=25Current(Amps)=25Current(Amps)=25ElectricalThermalTemperatureTemperatureConductivityConductivityRiseoFRiseoCUNSNumberAlloyTempersMin.Max.BTU/ft/hr/oFMax.Min.Max.Min.C11000Cu110NotAged97101.52262.482.371.381.32C15100CuZr151NotAged95-2082.76-1.53-C17000CuBe165NotAged15196060.5047.7733.6126.54AgeHardened22286041.2532.4122.9218.01MillHardened18336050.4227.5028.0115.28C17200CuBe25NotAged15196060.5047.7733.6126.54AgeHardened22286041.2532.4122.9218.01190MillHardened17286053.3932.4129.6618.01290MillHardened17266053.3934.9129.6619.39C17410CuBe1741/2HT50-1358.07-4.48-HT48-1358.40-4.67-C17450,60Cube171MillHardened50-1288.51-4.73-C17510CuBe3,10NotAged20307237.8125.2121.0114.01AT45601408.646.484.803.60HT,HTR48601408.106.484.503.60HTC60-1406.48-3.60-C19400CuFe194NotAged60-1506.05-3.36-C19500CuFe195NotAged45-11510.52-5.85-C19700CuFe197NotAged80-1853.68-2.04-C19900CuTi199MillHardened1318#DIV/0!#DIV/0!#DIV/0!#DIV/0!C26000Brass260NotAged28-7027.78-15.43-C40850SnBrass4085NotAged30-7524.20-13.45-C42500SnBrass425NotAged28-6928.18-15.66-C50780PBronze5078NotAged35-#DIV/0!-#DIV/0!-C51000PBronze510NotAged20-4068.07-37.81-C51100PBronze511NotAged20-48.456.25-31.25-C51800PBronze518NotAged20-#DIV/0!-#DIV/0!-C51900PBronze519NotAged16-3889.56-49.76-C52100PBronze521NotAged13-36116.35-64.64-C63800AlBronze638NotAged10-24226.89-126.05-C65400SiBronze654NotAged7-21370.43-205.79-C66400Bronze664NotAged30-6727.09-15.05-C68800AlBrass688NotAged16184085.0875.6347.2742.02C70250CuNiSn7025TM00,TM0240-97.513.96-7.76-TM03355097.515.9611.178.866.21C70260CuNiSn7026H0660-9010.08-5.60-H0840-9015.13-8.40-C72500CuNiSn725NotAged11-31159.69-88.71-C72900CuNiSn729MillHardened7.8-17410.66-228.14-C77000NiAg770NotAged5.5-17582.39-323.55-PreparedbyBrushWellman2020/5/15Page2TemperatureRiseCalculator*Assumesconductiveheattransferonly,noradiativeorconvectiveheattransfersTJLAwhereJthecurrentinAmpsLthecontactlengthAthecrossectionalareatheelectricalconductivitythethermalconductivityTFJAmpsLinIACSBTUfthrFAineeoEo2222222221470000244,,,,,%.PreparedbyBrushWellman2020/5/15Page3Sheet3`sTJLAwhereJthecurrentinAmpsLthecontactlengthAthecrossectionalareatheelectricalconductivitythethermalconductivityTFJAmpsLinIACSBTUfthrFAineeoEo2222222221470000244,,,,,%.Page4Sheet3`sTJLAwhereJthecurrentinAmpsLthecontactlengthAthecrossectionalareatheelectricalconductivitythethermalconductivityTFJAmpsLinIACSBTUfthrFAineeoEo2222222221470000244,,,,,%.Page5