Question 1

What does a NTC thermistor do?

Accepted Answer

NTC stands for "Negative Temperature Coefficient". An NTC thermistor is a resistor with a negative temperature coefficient, which means that as its temperature increases, its resistance decreases, and vice versa. NTC thermistors are mainly used as resistive temperature sensors and current limiting devices to protect electronic equipment from high temperature damage. It can be used in home appliances, LED products, medical equipment and other industrial equipment, etc.

Question 2

What is the difference between NTC and PTC?

Accepted Answer

NTC stands for "Negative Temperature Coefficient" and PTC stands for "Positive Temperature Coefficient". NTC thermistors have a negative temperature coefficient, which means their resistance decreases as temperature increases; conversely, PTC thermistors have a positive temperature coefficient, which means their resistance increases as they get warmer. NTC thermistors are commonly used in temperature sensing and compensation applications. PTC thermistors are commonly used in self-regulating heating applications.

Question 3

What is the over temperature protection of LED power supply?

Accepted Answer

Sometimes the temperature of the LED driver is abnormal, and the reasons for its high temperature include abnormally high ambient temperature, overload operation, heat dissipation problems of lamps or other faults, etc. When the Tc temperature of the LED power supply reaches the highest value it can withstand (such as 105°C), the power supply will automatically cut off the output to protect the power supply from permanent damage.

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LED Street Light

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Led Flood Light

Solar Flood Light

LED High Bay Light

High Mast Light

LED Traffic Light

LED Tunnel Light

LED Garden Light

LED Canopy Light

Led Bollard Light

Lighting Accessories

Smart Systems

Simulation Design

Smart Financing