CMFA3900223JNT

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NTC thermistors are a subcategory of temperature sensors that enable the measurement or indication of current temperature and perform an essential role in many applications within the industrial and consumer realms. CMFA3900223JNT is a thermistor that is specifically tailored for industrial applications. In this article, we explain the key features of this type of thermistor, its application field, and working principle.

Overview of CMFA3900 223JNT

CMFA3900223JNT is a negative temperature coefficient (NTC) thermistor typically used in industrial applications. It is a fixed value thermistor with resistance value at 100 kΩ, tolerance of ±1%, and a 100mV (millivolt) maximum voltage rating.

The devices are manufactured on a glass-ceramic substrate and painted with a flame-resistant polyimide coating for insulation. This combination offers high reliability and stability, making it suitable for industrial settings. The device can also withstand extreme environmental conditions, such as humidity, dust, and temperature.

CMFA3900223JNT thermistors are typically used in temperature sensors, temperature controllers, and temperature transmitters. These devices are usually used where precise temperature measurement is required and are able to be integrated with other industrial systems easily.

Application Fields

CMFA3900223JNT thermistors have a wide range of application fields. These include:

• Industrial refrigera tion systems
• Air conditioning systems
• Heat exchangers
• Furnaces
• Ovens
• Other temperature-sensitive applications

The device has a wide detection range. It is suitable for applications where precision over a wide temperature range is required, from -50°C to +150°C. This makes it ideal for temperature measurement in industrial settings.

Working Principle of CMFA3900223JNT

CMFA3900223JNT is a fixed value thermistor (resistance value at 100 kΩ) with a tolerance of ±1%. This resistance value is known as the ‘setpoint’. When the temperature around the thermistor changes, the resistance value of the thermistor changes with it. The voltage across the thermistor is then used to measure the current temperature.

The thermistor’s resistance is not linear; as temperature decreases, the resistance increases at an increasing rate. This phenomenon allows for precision temperature measurement over a wide temperature range.

The thermistor also has a relatively low power dissipation, which makes it suitable for use in applications where power consumption is a concern. The CMFA3900223JNT also offers high reliability and stability, making it suitable for industrial applications.

Conclusion

CMFA3900223JNT thermistors are tailored for industrial applications. They have a wide detection range, with a resistance value of 100 kΩ, tolerance of ±1%, and a 100mV maximum voltage rating. They are highly reliable and stable, and can withstand extreme environmental conditions. This makes them suitable for use in the industrial sector, for applications such as industrial refrigeration systems, air conditioning systems, heat exchangers, furnaces, ovens, and other temperature-sensitive applications.

The thermistors use a fixed resistance value as a ‘setpoint’, and as the temperature around the thermistor changes, the resistance value of the thermistor changes with it. This allows for precision temperature measurement over a wide temperature range. The thermistor also has a relatively low power dissipations, making it suitable for applications where power consumption is a concern.

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