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NTC temperature sensors, or Negative Temperature Coefficient sensors, are thermistors that exhibit a decrease in resistance as temperature increases. They are typically made from ceramic materials that have been doped with metal oxides, which allows them to accurately measure temperature changes. These sensors are widely used in various applications due to their sensitivity and reliability in temperature monitoring.
| Temperature range | -40┬░C to 125┬░C |
| Resistance value at 25┬░C | 1k╬й to 100k╬й |
| Accuracy | ┬▒0.5┬░C to ┬▒2┬░C |
| Response time | 1 to 10 seconds |
| Package type | Axial, radial, or surface mount |
When selecting an NTC temperature sensor, consider the temperature range and resistance values that best fit your application. It's important to specify the required accuracy and response time, as these can vary significantly between models. Additionally, check for any necessary certifications or standards that may be relevant to your industry, and determine the quantity needed for your project to ensure you receive a competitive quote.
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They provide high sensitivity and accuracy in temperature measurement.
Yes, but ensure they are housed in protective enclosures to withstand environmental conditions.
With proper usage, they can last several years, depending on the application.
Calibration typically involves comparing the sensor's output to a known temperature reference and adjusting as necessary.
They are generally not suitable for temperatures above 125┬░C; consider other types for higher ranges.
NTC sensors decrease in resistance with increasing temperature, while PTC sensors increase in resistance.