IGBT intermittent life test method based on simulation modeling and short-time test
A technology of life test and short-term test, which can be used in the field of law and comprehensive consideration of heat dissipation conditions, and can solve problems such as analysis and verification.
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[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and an intermittent life test case of a typical TO-220 packaged single-tube IGBT device.
[0050] A kind of IGBT intermittent life test method based on simulation modeling and short-time test of the present invention, concrete steps are as follows figure 1 Shown:
[0051] Step 1: Determine the cooling conditions
[0052] Such as figure 2 As shown in , select a single-tube IGBT device in a TO-220 package to design an intermittent life test plan. The main indicators of the device are shown in Table 3 and Table 4.
[0053] Table 3 Absolute Maximum Ratings of Case IGBT Devices
[0054]
[0055]
[0056] Table 4 Electrical characteristics of the case IGBT device at a junction temperature of 25°C (unless otherwise specified)
[0057]
[0058] The present invention will be described in detail below. First select three kinds of radiators, and their specif...
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