hFzednc 热导率（W/cm*K） 4.9 1.5 SiC MOSEFT是单极性器件，没有拖尾电流，开关速度比IGBT快很多。这也是SiC MOSEFT比IGBT更适用于更高频率应用的原因。而更高的驱动频率（比如20kHz或以上），可以有效减小电机的噪音，提高电机系统的响应速度和动态抗干扰能力。

压缩机是汽车空调的一部分，它通过将制冷剂压缩成高温高压的气体，再流经冷凝器，节流阀和蒸发器换热，实现车内外的冷热交换。传统燃油车以发动机为动力，通过皮带带动压缩机转动。而新能源汽车脱离了发动机，以电池为动力，通过逆变电路驱动无刷 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you've given up on finding the best unlimited data plan because you assume that all that ...

*Close price adjusted for splits.**Adjusted close price adjusted for splits and dividend and/or capital gain distributions. Loading more data ...

Focuses on improving the production, dissemination, and use of high-quality and comparable data and statistics in Africa to support evidence-based policymaking, planning, implementation, monitoring ...

Stella Totino is a former Pastry Chef turned writer, and now also a food scholar. With over five years of experience in restaurants, she knows a thing or two about the best ingredients and tools ...