PW104J2

Temperature Sensors - NTC Thermistors

NTC thermistors, or negative temperature coefficient thermistors, are a form of temperature-sensing component which works by exhibiting a decrease in electrical resistance as the temperature it is subjected to rises. The PW104J2 is an NTC thermistor designed specifically for temperature sensing applications.

PW104J2 Application Field

The PW104J2 thermistor is designed for a variety of temperature sensing applications, including industrial, HVAC/R and consumer appliances. It has a wide operating temperature range of -40 to +280 and can handle high shock and vibration levels without any loss in accuracy. Its mechanical component is non-hermetic, making the PW104J2 a good fit for many temperature sensing applications. It is also resistant to most liquids and fumes, and is well suited for operation in wet and humid environments.

PW104J2 Working Principle

The PW104J2 NTC thermistor works on the principle that the resistance of a thermistor decreases as the temperature increases. As such, the thermistor is positioned in the application to measure the temperature at the point and is then connected to the circuit. As the temperature rises, the resistance of the thermistor decreases, allowing more current to flow through the circuit. This change in resistance is then used to measure the temperature at the point.

When selecting an NTC thermistor for a given application, the temperature range of the application determines the resistance range of the thermistor. The PW104J2 thermistor has a nominal resistance of 10K ohms at 25°C (77°F). This resistance can then be adjusted by adding a resistor in parallel, or a voltage in series, to adjust the resistance range. The PW104J2 also has a linearity of curve of ±3.5%, which makes it suitable for most temperature sensing applications.

Conclusion

The PW104J2 NTC thermistor is a high-performance temperature sensing device, designed for use in a wide range of applications. Its non-hermetic design and resistance to liquids and fumes makes it suitable for a variety of applications in industrial, HVAC/R and consumer appliances. Its wide operating temperature range and ±3.5% linearity of curve make it an ideal choice for those applications requiring accurate temperature measurements.