NTCThermistorProbesTheASNandTO-92NTCThermistorProbesoffereconomical,reliableandaccuratesolutionstoapplicationsrequiringmoreextensivesensingthantheoneortwotemperaturepointstypicallyofferedbyabimetallicthermostat.TheASNandTO-92NTCthermistorsprovideachangeinresistancewithtemperaturethatwhencombinedwithanelectroniccircuitprovidesameansofcontinouslymeasuringtemperatureoveraverywiderange.Applications(ASN)HeatSinkMonitoringSurfaceTemperatureMonitoringforPowerSupplies,PowerAmplifiers,andMotorControllersApplications(TO-92)RadicalNTCdiscreplacementProbeDesignsPCBtemperaturemonitoringPowersupplyfancontrolFeatures BenefitsStandardizedComponentHighVolumeProductionPopularResistanceValuesOperatingPrincipleofNTCThermistorsNTCthermistorsaresemiconductorceramicsmadewithvariousmetaloxides.Theirelectricalresistancedecreaseswithincreasingtemperature.Thisresistanceisprocessedbyanelectroniccircuittoprovidetemperaturemeasurement.Whileabimetallicthermostatprovidesbothtemperaturesensingandelectricalcircuitcontrol,thethermistoritselfdoesnotprovideanycontroloverheatingelements,relays,etc.Thethermistorisstrictlyasensorandanyelectricalcontrolwouldneedtobeimplementedbythecircuitutilzingthethermistor.
點(diǎn)擊圖片查看原圖
