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Thermistors change resistance depending upon temperature. They are available in two resistance values.
Negative temperature coefficient (resistance falls as temperature increases).
Click here to see our thermistor resources
Response time: 1.2s
Thermal time constant: 11s
Operating temperature range: zero power: -40C to +125C maximum power: 0C to +55C
Dissipation factor: 7mW/C
Maximum dissipation: 500 mW
A guide to understanding how a thermistor works. A thermistor is a component that has a resistance that changes with temperature. There are two types of thermistor. Those with a resistance that increase with temperature (Positive Temperature Coefficient – PTC) and those with a resistance that falls with temperature (Negative Temperature Coefficient – NTC).
Please can you specifiy the temperature ranges of your thermistors? The data sheets provide only background detail on the components. regards
Posted byon Thursday, 7 March 2013Hi Paul, The operating temperature range varies depending on the power they are dissipating, at zero power this is -40?C to +125?C and at maximum power: 0?C to +55?C. The maximum power rating for these thermistors is 500mW.
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