A06B-6080-H307

A06B-6080-H307

A06B-6080-H307典型的扩流三极管是3.3V电源部分的输出管N1，N1工作在线性放大区，LM358的电流输出能力是50mA，三极管BCX56的额定电流是1A，其作用是扩流，增强电流输出能力。

  开关驱动

三极管和场管大量用在IGBT的驱动电路的输出级，作为驱动脉冲的输出放大，一般采用互补的对管构成推挽电路，工作在开关状态，要求就有的电流输出能力和较快的开关速度。驱动管一般选取快速功率晶体管，以满足快速驱动信号的传输要求。

下面介绍几种常用的驱动管：

BCX56和BCX53：前者NPN，后者PNP，耐压80V，额定电流1A，功耗为1W，开关频率可达20M，SOT-89贴片封装，用于小功率变频器的驱动，也可用作通用三极管。

2SC3710和2SA1452：前者NPN，后者PNP，耐压80V，额定电流12A，开关时间为1us，插接件TO220封装，用于大功率变频器的驱动。

D44HV和D45HV：额定电流容量是15A，峰值电流20A，耐压80V，开关时间为1us，插接件TO220封装，用于大功率变频器的驱动。

A06B-6080-H307 

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