NTCThermistorProbesTheASNandTO-92NTCThermistorProbesoffereconomical,reliableandaccuratesolutionstoapplicationsrequiringmoreextensivesensingthantheoneortwotemperaturepointstypicallyofferedbyabimetallicthermostat.TheASNandTO-92NTCthermistorsprovideachangeinresistancewithtemperaturethatwhencombinedwithanelectroniccircuitprovidesameansofcontinouslymeasuringtemperatureoveraverywiderange.Applications(ASN) HeatSinkMonitoring SurfaceTemperatureMonitoringforPowerSupplies,PowerAmplifiers,andMotorControllersApplications(TO-92) RadicalNTCdiscreplacement ProbeDesigns PCBtemperaturemonitoring PowersupplyfancontrolFeatures Benefits StandardizedComponent HighVolumeProduction PopularResistanceValuesOperatingPrincipleofNTCThermistorsNTCthermistorsaresemiconductorceramicsmadewithvariousmetaloxides.Theirelectricalresistancedecreaseswithincreasingtemperature.Thisresistanceisprocessedbyanelectroniccircuittoprovidetemperaturemeasurement.Whileabimetallicthermostatprovidesbothtemperaturesensingandelectricalcircuitcontrol,thethermistoritselfdoesnotprovideanycontroloverheatingelements,relays,etc.Thethermistorisstrictlyasensorandanyelectricalcontrolwouldneedtobeimplementedbythecircuitutilzingthethermistor.