MZ1系列PTC熱敏電阻器 MZ1SERIESPTCTHERMISTOR
用于節(jié)能燈和電子鎮(zhèn)流器延時啟動ForTimeDelayofLighting Ballast
產(chǎn)品特性及應(yīng)用FEATURES APPLICATION
可靠性高,安全性和穩(wěn)定性好,可頻繁開關(guān);
Highreliability,goodperformanceofsafetyandstability,and
Usedinthefrequent-switching.
耐電壓可高達(dá)600-1000VAC以上;
Thewithstandingvoltagecanreachtoover600-1000VAC.
開關(guān)通電100,000次以上,常溫電阻不漂移;
Switchingcurrentcanpassover100,000times:theresistancewillnotfloat.
應(yīng)用于:節(jié)能燈、熒光燈電子鎮(zhèn)流器、數(shù)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.