NTC stands for Negative Temperature Coefficient, which means that the resistance of the material decreases as the temperature increases. An NTC thermistor is a type of semiconductor component made from metal oxides such as manganese, cobalt, nickel, and copper, using a ceramic manufacturing process. These materials exhibit semiconductor behavior similar to germanium or silicon. At lower temperatures, the number of charge carriers (electrons and holes) is low, resulting in high resistance. As the temperature rises, more charge carriers are generated, causing the resistance to drop significantly. NTC thermistors typically have a resistance range between 10 ohms and 1,000,000 ohms at room temperature, with a temperature coefficient ranging from -2% to -6.5%. They are widely used in applications such as temperature sensing, thermal compensation, and inrush current suppression. Their sensitivity and stability make them an essential component in many electronic systems.
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