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What are Power Semiconductor Devices

Source:Yint Time:2023-08-09 Views:2930
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功率半导体器件是电子装置中电能转换与电路控制的核心,主要用于改变电子装置中电压和频率、直流交流转换等。功率半导体器件包括整流二极管,功率晶体管(功率MOSFET,绝缘栅双极晶体管(IGBT)),晶闸管,三端双向可控硅开关元件等。

近年来,功率半导体器件的应用领域已从工业控制和消费电子拓展至新能源、轨道交通、智能电网、变频家电等诸多市场,市场规模呈现稳健增长态势。从目前市场需求来看,硅基 MOSFET、硅基 IGBT 以及碳化硅为目前功率半导体分立器件的主力产品。

中国是全球最主要的功率器件消费国,功率器件细分的主要产品在中国的市场份额均处于第一位。虽然国际大厂目前占据主要市场,但其高端产品价格高昂,无法满足国内迅速爆发的市场需求。随着国内企业逐步突破行业高端产品的技术瓶颈,我国功率半导体器件对进口的依赖将会进一步减弱,进口替代效应将显著增强,国内企业有望深度受益国产替代进程。伴随新兴行业快速发展,功率半导体市场规模呈加速发展态势。