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Application of NTC thermistor in switch power supply

Apr. 06, 2020

Shiheng NTC thermistors products have the characteristics of large power, strong ability to surge current protection, high reliability, long life, small residual resistance, etc. Because of good quality and superior performance, Shiheng NTC thermistors are a representative of power NTC thermistors with high cost performance and high reliability. We support special customization to meet different applications. What's more, Shiheng provides a number of service channels like pre-sales consulting and after-sales tracking, which truly build a whole service system.


Switch power supply has been widely used because of its advantages such as high efficiency, small energy transmission loss, flexible output and small occupied volume.Up to now, large electronic devices, even small household appliances and LED lights almost invariably use switch power supply. It is a currently recognized efficient and low-power supply, but efficient conversion (AC - DC) with low power consumption is not easy. In practical use, switch power supply may have EMC problems, surge current problem, key components' damage and the early failure in the high voltage and large current situation which makes the whole power supply system and electrical equipment failed to work. This is one of the biggest barrier for circuit designers, especially power supply engineers.


Nanjing Shiheng Electronics Co., Ltd. is a national high-tech enterprise registered in Jiangning district, Nanjing, Jiangsu province. The company has passed ISO9001 quality management system, TS16949 quality management system, ISO14001 environmental management system, and GB/t29490-2013 intellectual property management system. Shiheng Electronics is a governing unit in Chinese Electronic Components Industry Association (CECA) , a standing director in Sensitive Components and Sensors Branch and a member in Chinese Power Supply Institute.

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