Be sure you know what you are buying. I realize this is posted CLEARLY in the product description, but you need to actually understand it. These are 10K Ohm thermistors - very useful in many applications, but a little on the "light" side for others. Be sure you do not actually want something more on the lines of 100K Ohm before you order these. These are also NTC - negative temperature coefficient - thermistors, meaning their resistance DROPS as temperature INCREASES. Be sure your circuit is not planned the other way around. It is easy to get messed up by the thermistor heating itself up during the process of reading the temperature when its resistance is very low - you end up reading the heat you're generating by trying to read it.
Once you understand these caveats, these work very well and consistently. You just have to have them in a circuit built to accommodate them. As with absolutely everything else electronic, it's about the tradeoffs you're willing to accept.
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Calculating Resistance Based On B Value
Since the B value is stated as 3435 and the resistance at 298K (25C) is given as 10k ohm, then the resistance at any given temperature can be determined as follows: R2=(10,000)e^(-3435*(T2-298)/(298)(T2)), which can be simplified for this thermistor to:R2=(10,000)e^(3435/T2-11.526). Where R2 is the resistance at temperature T2. All temperatures expressed in kelvin (C+273) and e=2.71828...
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Turbo RunnerReviewed in Germany on November 9, 2020
Gut für den Hobbyelektroniker.
