10K Precision Epoxy Thermistor (3950 NTC) by The Pi Hut - The Pi Hut

10K Precision Epoxy Thermistor (3950 NTC)

The Pi HutSKU: ADA372
(5 Reviews)
£3.80
incl. VAT
excl. VAT
Only 2 units left

Need to measure something damp? This epoxy-coated precision 1% 10K thermistor is an inexpensive way to measure temperature in weather or liquids. The resistance in 25 °C is 10K (+- 1%). The resistance goes down as it gets warmer and goes up as it gets cooler. For specific temperature-to-resistance, check the lookup table.

These are often used for air conditioners, water lines, and other places where they can get damp. The PVC coating of the wires is good up to 105 °C so this isn't good for very hot stuff.

We even toss in an additional 1% 10K resistor which you can use as calibration or for a resistor divider.

We have a great detailed tutorial on how thermistors work and how to use this one with both Arduino & CircuitPython!

Technical Details

  • Resistance at 25 degrees C: 10K +- 1%
  • B25/50 = 3950+- 1%
  • Thermal time constant <= 15 seconds
  • Thermistor temperature range -55 °C to 125 °C
  • 28 AWG PVC Wire

Dimensions:

  • Diameter: 0.13”/ 3.3mm
  • Length: At least 457mm / 18" long

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10K Precision Epoxy Thermistor (3950 NTC) by The Pi Hut - The Pi Hut
Based on 5 reviews
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Verified Customer
James L
Harwich, United Kingdom
10K Precision Epoxy Thermistor (3950 NTC)
I've got one of these monitoring the temperature in a fridge. It seems to work well.
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1 year ago
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Anonymous
10K Precision Epoxy Thermistor (3950 NTC)
Quick delivery, excellent repair thermistor.
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2 years ago
Verified Customer
Tim B
10K Precision Epoxy Thermistor (3950 NTC)
Good buy as its 1% accuracy and sealed, and includes a 10K 1% resistor, however to get an accurate reading in software I had to google to find out how to calculate the A B C values (as not listed) so that I could use the Steinhart & Hart equation, as the formula provided in the documentation is approximate so not that accurate. const double THERMISTOR_A = 1.284850279e-3; const double THERMISTOR_B = 2.076544735e-4; const double THERMISTOR_C = 2.004280704e-7;
3 people found this review helpful.
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3 years ago
Verified Customer
Edward H
10K Precision Epoxy Thermistor (3950 NTC)
Delivery was quick and works well
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4 years ago
Verified Customer
Ian H
10K Precision Epoxy Thermistor (3950 NTC)
I am using the thermastor with a Particle Proton and temperatures are coming in nicely.
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8 years ago

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