KPTC7A14-12SDMB

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The KPTC7A14-12SDMB is a type of high efficiency reverse polarity protection PTC. It is composed of PTC and MOV, can provide reliable lightning and surge overvoltage protection, suitable for use in low voltage surge protection applications. It has been widely used in various low power circuits, such as AC/ DC converter, communication, etc.

The working principle of KPTC7A14-12SDMB is based on the heat-generated conductive PTC characteristic. The device consists of two parts, PTC and MOV. The PTC part is a temperature-sensitive component, which will automatically increase its resistance when it reaches a certain temperature. Once the temperature is reached, current through the PTC part will be restricted, leading to a reduction in the circuit current. Meanwhile, the MOV part will take effect for protection when the overvoltage reaches the set value. Thus, KPTC7A14-12SDMB can provide two-layer protection, ensuring the safety and reliability of the system.

The application field of KPTC7A14-12SDMB is very wide. It is mainly used to provide the electrical protection when the circuit is subjected to alternating current or direct current overvoltage. It is widely used in AC/DC converters, electronic equipment, industrial automation, UPS power supply and other fields. It is especially suitable for use in communication. With the rapid development of digital communication technology, the communication system has more requirements for overvoltage protection, such as power lines, data lines, etc. KPTC7A14-12SDMB can greatly improve the reliability and reduce the cost of the system.

In addition, it is also suitable for use in automobile industry. Automobiles are constantly exposed to high-intensity current pulse during operation, which can cause serious damage to the electrical components. KPTC7A14-12SDMB can effectively protect automobiles from damage due to overvoltage and lightning strikes.

KPTC7A14-12SDMB is a reliable and widely used reverse polarity protection PTC device. Its high efficiency and wide application field make it an ideal choice for low power protection. With its two-layer protection design, it can provide reliable protection for a variety of equipment, ensuring the safety and stability of the system.

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