NTC Bead Thermistor Temperature Sensor


Electrical Characteristics:

Tight tolerances for resistance and beta values

Fast response and small size

Able to run stably for a long time

The rated resistance at 25℃ can be 1kΩ~1000kΩ

Dissipation factor: ≥3.0mW/C in still air

Thermal time constant: ≤12 seconds in still air

Operating temperature range: -45℃ - +125℃

Production Process:

NTC Bead Thermistor Temperature Sensor

Application Area :

NTC Bead Thermistor Temperature Sensor

Household electronic temperature measurement, detection and control: such as air conditioners, refrigerators, deep freezers, soymilk machines, bread machines, water dispensers, etc.

Temperature detection and measurement of medical equipment and equipment.


Electronic temperature and humidity meter.

Car temperature measurement.

Spreadsheet calendar.

Battery pack and battery charger temperature measurement, compensation, control and protection.

Certifications :

NTC Bead Thermistor Temperature Sensor


Q: How does a thermistor work?

A: The resistivity of semiconductor materials changes greatly when affected by temperature, and thermistors are temperature-sensitive devices made of this property. In semiconductors, the number of carriers (electrons) is only a few thousand to tens of thousands of atoms, and the distance between adjacent free electrons is tens to hundreds of times that of atoms. Similar to gas molecules, in semiconductors, the movement of free electrons is caused by thermal movement, so its resistivity is significantly affected by temperature.

Q: What is the role of the thermistor?

A: The function of thermistor is temperature compensation and temperature control. After the current passes through the element, the temperature rises, that is, the temperature of the heating element rises. When the rated temperature is exceeded, the resistance increases, thereby limiting the current increase, so the decrease of the current causes the temperature of the element to decrease, and the decrease of the resistance value increases the circuit current. The element temperature rises and repeats itself, so it can keep the temperature within a specific range.

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