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SMD PTC thermistor

SMD PTC thermistor

Like all thermistors, PTC resistors are used in electrical technology as variable resistors based on temperature. Compared to simple PTC resistors, SMD PTC resistors offer the advantage that with appropriate connection surfaces they can be soldered directly on to circuit boards. At low temperatures, PTC resistors conduct current better than at high temperatures. Their electrical resistance increases as the temperature increases. Due to these characteristics they are best suited to provision of compensation for fluctuations in temperature, and reducing the risk of local overheating in individual devices or circuits. They are installed for instance in electric motors or machine tools. Because they are compact, they can be incorporated without problems even in very small objects.

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