PR303J2

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NTC thermistors have long been used as temperature sensors. As a medium frequency type, PR303J2 is a kind of NTC thermistor with various application fields and working principles.

PR303J2 NTC thermistors, stands for Negative Temperature Coefficient, are devices slightly different from resistors. These thermistors have resistance drop when the ambient temperature is rising. Manufactured with sintered semiconductor material composed of metal oxides, PR303J2 thermistors feature very high resistance value at low temperatures. It also increases the non-linearity between the resistance temperature, and temperature coefficient.

Due to their high linearity, sensitivity, accuracy and fast response, PR303J2 NTC thermistors are widely used in temperature sensing and control for various applications, such as HVAC&R, automotive, industrial, home appliances, water heater, power supply, air conditioning, power supply, refrigeration, and etc.

In addition, the thermistor body of PR303J2 is only 2mm in diameter and the lead length is available in a variety of lengths, making it ideal for applications with confined spaces. Furthermore, its strength and excellent thermal and flame resistance make it suitable for strenuous environment and application needing flame resistance.

By far, the working principle of PR303J2 thermistors is based on the thermally-induced agitation of electrons. The semiconductor material composed of metal oxides has positive or negative temperature coefficient, when it absorbs energy, the electrons are agitated and the resistance is increased. Therefore, when the temperature is higher, the resistance is higher, and vice versa.

In conclusion, PR303J2 NTC thermistance has been widely applied in temperature sensing and control for a variety of industrial, HVAC&R, automotive and home appliance applications. Its remarkable working principle provided higher flexibility and accuracy for the monitoring and controlling of temperatures.

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