NTC critical temperature thermistor resistance

　　Critical temperature thermistor (CTR, CRITICAL TEMPARATURATURERISTOR) has negative resistance characteristics. At a certain temperature, the resistance value decreases with the increase in temperature, which has a large negative temperature coefficient. The composition material is a mixed sinter of oxides such as and phosphorus. It is a semi -glass -shaped semiconductor, also known as CTR as a glass -state armal resistance. Sudden temperature changes with oxides such as tungsten, tungsten, molybdenum, etc. This is caused by different impurities, which causes different intervals of the lattice of the oxide. If the five -oxidation of the five oxidation of the five oxidation in the appropriate restore atmosphere will become larger, the resistance of the resistance becomes larger; if it is further restored to the trioprotic dioxide, it will disappear rapidly. The temperature that generates the rapid change of resistance corresponds to the position of rapid changes in semi-glass semiconductors, so semiconductor-metal phase translation is generated. CTR can be used as temperature control alarm and other applications.

　　Theoretical research and application development of thermal resistance has achieved eye -catching results. With the application of high, fine, and sharp technology, a deeper exploration of the conductivity mechanism and application of thermal resistance, and the in -depth research on new materials with excellent performance will achieve rapid development.

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