Positive Temperature Coefficient Thermistor.Infrared Body Sensing Module

　　PTC means positive temperature coefficient, which generally refers to semiconductor materials or components with a large positive temperature coefficient. Usually the PTC we refer to refers to the positive temperature coefficient thermistor, referred to as the PTC thermistor. PTC thermistor is a typical temperature-sensitive semiconductor resistor. When the temperature exceeds a certain temperature, its resistance value increases stepwise with the increase of temperature.

　　Thermistor is a type of sensitive element, which is divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC) according to different temperature coefficients. A typical characteristic of thermistors is that they are sensitive to temperature and exhibit different resistance values at different temperatures. The positive temperature coefficient thermistor (PTC) has a larger resistance value when the temperature is higher, and the negative temperature coefficient thermistor (NTC) has a lower resistance value when the temperature is higher. They are both semiconductor devices.

　　However, it should be noted that: Thermistor is not a semiconductor device under the heading 85.41 in the import and export process.

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Φ11mm size

Z005

PIR Lens 7709-6