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IGBT Forum Discussions

likejian
Level 1
Level 1
First question asked Welcome!

一个IGBT模块内部包含了4个IGBT和6个二极管, 数据手册分别给出了 IGBT和二极管的热阻,在计算整个IGBT模块的热阻应该怎么计算?  是把4个IGBT和6个二极管的热阻看作并联来计算吗?

likejian_0-1670898267268.png

 

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Rachel_Gao
Moderator
Moderator
Moderator
50 solutions authored First like given 50 replies posted

Hi  

热阻值是IGBT和二极管各自的热阻,不能简单看作并联计算IGBT模块的热阻。关于IGBT模块热阻的测试方法,请参考附件的AN。

Best regards,

Rachel

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Rachel_Gao
Moderator
Moderator
Moderator
50 solutions authored First like given 50 replies posted

Hi  

热阻值是IGBT和二极管各自的热阻,不能简单看作并联计算IGBT模块的热阻。关于IGBT模块热阻的测试方法,请参考附件的AN。

Best regards,

Rachel

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