MZ1系列PTC熱敏電阻器 MZ1SERIESPTCTHERMISTOR
用于節能燈和電子鎮流器延時啟動ForTimeDelayofLighting Ballast
產品特性及應用FEATURES APPLICATION
可靠性高,安全性和穩定性好,可頻繁開關;
Highreliability,goodperformanceofsafetyandstability,and
Usedinthefrequent-switching.
耐電壓可高達600-1000VAC以上;
Thewithstandingvoltagecanreachtoover600-1000VAC.
開關通電100,000次以上,常溫電阻不漂移;
Switchingcurrentcanpassover100,000times:theresistancewillnotfloat.
應用于:節能燈、熒光燈電子鎮流器、數字萬用表等。
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.