IGBT active clamping device

The utility model discloses an IGBT (Insulated Gate Bipolar Translator) active clamping device, which is characterized by comprising a substrate and a clamping circuit, the clamping circuit is arranged on the substrate, the substrate is provided with mounting holes P1 and P2, and two ends of the clamping circuit are electrically connected to the mounting holes P1 and P2 respectively. The clamping circuit has the advantages that the defect of complexity of the clamping circuit is overcome, and the clamping circuit is simple and reliable; the clamping circuits form a circuit module independently, and the circuit module is installed on an IGBT circuit board through the installation holes when in use, so that operations such as disassembly, maintenance and replacement are facilitated. 本实用新型公开了一种IGBT有源钳位装置，其特征在于：包括基板、钳位电路，所述钳位电路设置在基板上，在基板上设置有安装孔P1、P2，所述钳位电路的两端分别电连接至安装孔P1、P2。本实用新型的优点在于：解决了钳位电路复杂的缺陷，钳位电路简单可靠；钳位电路独立组成一个电路模块，在使用时通过安装孔来安装在IGBT电路板上，方便拆卸维修更换等操作。