IGBT短路耐受时间

IGBT短路耐受时间与其跨导或增益以及IGBT芯片热容量有关。增益较高的IGBT会导致较高的短路电流，从而降低短路耐受时间。然而，较高的增益也会导致较低的通态导通损耗，需要在增益和短路耐受时间之间进行权衡取舍。此外，技术的进步导致使用芯片尺寸更小，缩小了模块尺寸，但也降低了热容量，进一步缩短了短路耐受时间。因此，IGBT的短路耐受时间受到多个因素的影响，包括增益、热容量和芯片尺寸等。\[1\]
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