SpecNoWWS712-55SL-03教程文件.doc

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1、Good is good, but better carries it.精益求精，善益求善。SpecNoWWS712-55SL-03-Spec.No.WWS71/2-55SL-03Page(s):2/6PARTNO.料号WMZ72-9RM270PTCTHERMISTOR9.0REVNO.版本0/A(Apr.17,06)1.PARTNONUMBERING料号及编号说明:MZ72-12RM270MZ72-9RM270Series系列：WMZ71SolderingCoatingLeadsType焊封引线型MZ72-EncasedType（Single-element）壳装型（单片）MZ73-Enca

2、sedType（Double-elements）壳装型（双片）RatedZeroPowerResistance额定零功率电阻：9R0-9.04R5-4.5ToleranceofResistance阻值允差：M-20%V-25%X-+30%/-20%Max.OperatingVol.最大工作电压:270-270VAC290-290VAC140-140VAC2.APPEARANCEANDDIMENSIONS外观及尺寸(mm)2-1.WMZ72Series2-1-1.Dimensions尺寸Items项目Materials材料Cap盖板PFResin酚醛树脂Case外壳PFResin酚醛树脂Spri

3、ngTerminal簧片Phosphide-bronzSn-CePatingatSurface磷青铜，表面镀锡-铈合金ThermistorDise.热敏电阻芯片BaTiO3etc.钛酸钡等2-1-2.Marking标志PartNo.料号Marking标志MZ72-9RM270WMZ729RM270Spec.No.WWS71/2-55SL-03Page(s):3/6PARTNO.料号WMZ71/2-9RM270PTCTHERMISTOR9.0REVNO.版本0/A(Apr.17,06)3.ELECTRICALCHARACTERISTICS电气性能参数No.Item项目Spec.规格值Testco

4、nditionsandmethods测试条件及方法3-1.RatedZeroPowerResistance额定零功率电阻(RN)9.020%TA：252Testingvoltage：DC2.0VmaxAfterplacingfor12hoursunderTA,theresistancevalueshallbemeasured.环境温度：252测试电压：DC2.0Vmax在常温TA条件下，放置12小时后，测得阻值RN3-2.RatedVoltage额定电压(VN)AC220VrmsTA：-10+603-3.Max.OperatingVoltage最大工作电压(Vmax)AC270VrmsTA：-

5、10+603-4.Min.ResistanceofDegaussingCoil最小消磁线圈阻值103-5.I-TDecayCurve电流衰减特性Inrushcurrent（I0）浪涌电流19Ap-pAfter60seconds60秒后ResidualCurrent（I60）残余电流7.0mArmsTA：252Testingvoltage测试电压：220VAC,5060HzInstaticair静止空气中.Fig.1.Spec.No.WWS71/2-55SL-03Page(s):4/6PARTNO.料号WMZ71/2-9RM270PTCTHERMISTOR9.0REVNO.版本0/A(Apr.1

6、7,06)No.Item项目Spec.规格值Testconditionsandmethods测试条件及方法3-6.VoltageWithstanding耐电压Nodamage.Theresistancechangeratiowithin30%无可见损伤，电阻变化率小于30%TA：252Voltage：AC220Vrms(5060Hz)for60sec.AC420Vrmsfor120sec.TestCircuit：SeeFig.1.环境温度:252电压：AC220V(5060Hz)持续60秒,AC420V,持续120秒。测试电路：见图1.。3-7.RecoveryCharacteristics恢

7、复特性RN2RNTA：252(Stillair)Voltage:AC220VrmsTestcircuit：Seefig.1.TheresistancevalueRNshallbemeasuredafteron4min./off6min.环境温度:252电压：AC220Vrms测试电路：见图1.通电4分钟/断电6分钟后测得电阻值RN.4.TECHNICALCHERACTERISTICS机械性能No.Item项目Spec.规格值Testconditionsandmethods测试条件及方法4-1.TerminalStrength引出端强度Nodamage未损坏Fastenthebodyandapp

8、lyaforcegraduallytoeachleaduntil20Nandthenkeepfor10sec.Holdthebodyandapplyaforcetoeachleaduntil90slowlyat10Ninthedirectionofleadaxisandthenkeepfor10sec,anddothisintheoppositedirectionrepeatforotherterminal.(SeeIEC68-2-21/GB2423.29Ua/Ub)根据IEC68-2-21（GB2423.29）试验U进行试验。试验Ua：拉力20N，持续10sec.试验Ub：弯曲90，拉力10

9、N，连续两次；扭转180，拉力10N，连续两次。-Spec.No.WWS71/2-55SL-03Page(s):5/6PARTNO.料号WMZ71/2-9RM270PTCTHERMISTOR90REVNO.版本0/A(Apr.17,06)No.Item项目Spec.规格值Testconditionsandmethods测试条件及方法4-2.Vibration振动Nobreakoutmechanically.无可见损伤Theresistancechangeratio*within20%电阻变化率小于20%AfterthePTCissolderedontheprintedwiringboard.O

10、nlyenduranceconditioningbyafrequencysweepshallbemade.Theentirefrequencyrange.From10to55Hzandreturnto10Hz.Shallbetransferredin1min.Amplitude(totalexcursion):1.5mm.Thismotionshallbeappliedforaperiodof2hoursineachof3mutuallyperpendicularaxis(atotalof6hours)频率范围：10Hz55Hz10Hz振幅：0.75mm(全振幅1.5mm)振动方向：一个方向平

11、行于引出端,两个方向垂直于第一个方向,其中一个平行于引出端的相应平面,三方向共6小时。4-3.SolderAbility可焊性Theterminationsshallbeuniformlytinned,above95%ofwireshallbetinned.浸润部分上锡均匀，上锡面积95%DippingthePTCterminalstoadepthof15mminasolderingbathof25010andtotheplaceof6mmfarfromPTCbodyfor50.5s(SeeIEC68-2-20/GB2423.28Ta)将引出端沾助焊剂后，浸入到温度为25010、深度为15mm

12、的锡槽中锡面距PTC本体下端6mm处，持续30.5秒。（参见IEC68-2-20/GB2423.28试验Ta）4-4.ResistancetoSolderingHeat耐焊接热Theresistancechangeratiowithin20%.电阻变化率小于20%Dippingtheterminalstoadepthof15mminasolderingbathof2505andtotheplaceof6mmfarfromPTCbodyfor30.5s.Afterrecoveringfor45hoursundernormaltemperature.Theresistance(RN)shallbe

13、measured.(SeeIEC68-2-20/GB2423.28Tb)将引出端沾助焊剂后，浸入到温度为2505、深度为15mm的锡槽中锡面距PTC本体下端6mm处，持续30.5秒。在常温条件下恢复45小时后，复测额定零功率电阻值RN。（参见IEC68-2-20/GB2423.28试验Tb）Remark备注:Themethodoftheresistancechangeradio*（RN-RN）/RN电阻值变化率（RN-RN）/RN的测试办法:ResistancevalueRN(beforethetest)andRN(afterthetest)shallbemeasuredafterstorin

14、gfor24hoursat252.试验前、后的电阻值RN、RN须在252的温度下放置24小时后测量。Spec.No.WWS71/2-55SL-03Page(s):6/6PARTNO.料号WMZ71/2-9RM270PTCTHERMISTOR.0REVNO.版本0/A(Apr.17,06)5.RELIABILITYTEST信赖性试验No.Item项目Spec.规格值Testconditionsandmethods测试条件及方法5-1.RoomTemperatureIntermittentLoadTest常温断续负荷Nodamage.Theresistancechangeratiowithin30

15、%无可见损伤，电阻变化率小于30%Normaltemperatureandhumidity.Voltage：270VAC1minon-5minoff.1000hours.TestCircuit：SeeFig.1.常温常湿的条件，电压：270VAC，通电1min断电5min.时间：1,000小时.测试电路：见图1.5-2.LowTemperatureIntermittentLoadTest低温断续负荷Nodamage.Theresistancechangeratiowithin30%无可见损伤，电阻变化率小于30%TA：-102Voltage：270VAC1minon-5minoff.1000h

16、ours.TestCircuit：SeeFig.1.环境温度：-102电压：270VAC，通电1min断电5min.时间：1,000小时.测试电路：见图1.5-3.HighTemperatureLoadTest高温连续负荷Theresistancechangeratiowithin30%电阻变化率小于30%TA：852Voltage：AC270Vrms1000hours.TestCircuit：SeeFig.1.环境温度：852电压：AC270Vrms，时间：1,000小时.测试电路：见图1.5-4.HumidityIntermittentLoadTest稳态湿热负荷Nodamage.Ther

17、esistancechangeratiowithin30%无可见损伤电阻变化率小于30%TA：402Testhumidity测试湿度：9095%RHTestcircuit测试电路：Fig.1Voltage：DC10Vrmsfor1,000hours6.PackingType包装方式Bulk散装Pcs/BagPcs,mm,Kg/Ctn7.INSPECTION检验SamplingwithIEC410/DINISO2859-1(GB/T2828.1-2003);TestingwithIEC738-1/QC440000(GB7153-2002),SpecNo.WWS71-55SL-40.抽样方法IEC

18、410/DINISO2859-1(GB/T2828.1-2003)；试验方法按照IEC738-1/QC440000(GB7153-2002),SpecNo.WWS71-55SL-40.Item项目ILAQLACItem项目ILAQLAC7-1.Appearance外观S-40.657-4.ResidualCurrent残余电流(I60)S-30.657-2.Dimensions尺寸S-30.657-5.VoltageWithstanding耐电压S-31.07-3.RatedZero-powerResistance额定零功率电阻(R25)0.657-6.SolderAbility可焊性S-20