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Johnny B's picture



Johnny Bjoined November 26, 2015

posted Wednesday, March 29, 2017 | 5:39 am PDT

A PTC thermistor would be nice.

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PTC thermistor

Shouldn't be difficult to model in terms of the Steinhart–Hart equation. I could produce such a model if someone could provide me with measurements to verify the resulting model.

We have a new NTC thermistor in the Library

Just in case you didn't see it, we do have a new NTC Thermistor model in the "Thermal and Electro-Thermal" category of the SystemVision Component Library. It uses the simplified form of the Steinhart-Hart equation (with the single parameter "Beta"), because that seems to be the only data that is readily available from manufacturers' datasheets. Good suggestion from Johnny B. on needing a PTC version, I'll try to get that model added to our Library soon. As Norm suggested, will need to investigate what data is typically available from the manufactures for PTC devices.