MZ1系列PTC热敏电阻器 MZ1SERIESPTCTHERMISTOR 用于节能灯和电子镇流器延时启动ForTimeDelayofLighting Ballast 产品特性及应用FEATURES APPLICATION 可靠性高，安全性和稳定性好，可频繁开关； Highreliability,goodperformanceofsafetyandstability,and Usedinthefrequent-switching. 耐电压可高达600-1000VAC以上； Thewithstandingvoltagecanreachtoover600-1000VAC. 开关通电100，000次以上，常温电阻不漂移； Switchingcurrentcanpassover100,000times:theresistancewillnotfloat. 应用于：节能灯、荧光灯电子镇流器、数字万用表等。 Appliedin:energy-savinglamps,fluorescentelectronicballasts,anddigitalmulti-meters. Delay-TimePTCThermistorsforLampsandLanterns FeaturesofProducts: Withthedevelopmentofglobalenergyconservation,PTCThermistorsforelectronicballastsoftlystartinghasattractedmoreandmorepublicattention.Thetraditionalballaststarting,addedhigh-pressurefilamentmaterialsuddenlywithoutpreheating,willtakeserioussputterandloss,andmakethelightturnblackandscrapaheadoftime.However,theelectronicballastswehaveresearchedanddeveloped,havebeenthroughpreheatingandhighpressure.Lightingthetube,thefilamentmaterialcanonlyproduceslightsputter,andcanextendthelightlifespangreatly.Testsbysomeauthorityorganizationshaveindicated:UsingPTCThermistortodelaystarting,canchangethehardstartingtopre-heatingstartingoftheelectronicballastsandelectronicpower-savinglamps.Thepre-heatingtimeofwirescanreachto0.4-2.0seconds.Suchelectronicballastscanmakethelampserviceprolongedtomorethan5times. WorkingTheories: Whenthehighfrequencyshakingreturncircuithasbeenputthrough,andbecausePTCisinacoldstateandRtisinalowstateofresistance,itsresistancevalueisfarlowerthanthatofC2,andthelightpressureissmallerthanthatofstartingit.ThencurrentthroughC1,RTformsthereturncircuit-preheatingfilament.Meanwhile,PTCThermistorisheatedtoabovetheCurietemperature,RtheatingtemperatureexceedingtheswitchtemperatureTSWandleapingtothestateofhighresistancetoo.ItsresistancevalueisfarhigherthanthatofC2,andthecurrentgoesthroughC1,C2,formingthereturncircuitandcausingLCresonanceandproducinghighpressureandlightingthetube.Generallyspeaking,todelaythepreheatingtime,weshouldselecttherelativelylowerresistance,tallerTcpointandbiggerPTCThermistor. MainApplications Productsaremainlyappliedinfluorescencelampelectronicballasts,electronicpower-savinglamps,andtriggers.