We need a small current and a high voltage; or a large current with a low voltage.
输电需要采用小电流和高电压，或者大电流和低电压。
Features: Low saturation voltage, large current capacity and wide ASO.
特点：饱和压降低，电流容量大和安全工作区宽。
It has characteristics of large current, high power, high voltage, high switch frequency, proven reliability, low losses and so on.
它具有大电流、高电压、开关频率高、高可靠性、结构紧凑、低损耗的特点。
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