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MOSFET (Si/SiC) Forum Discussions

kle8309
Level 1
Level 1
First question asked Welcome!

Hi,

I'm trying to determine what is the failure mode of the power FET when there is a short circuit (1kA for 5ms).  Will this FET fail open or short? Please help me understand the behavior during a short circuit from Drain to Source failure mode.  This is for an SSR application.

-kelvin

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1 Reply
Meghana
Moderator
Moderator
Moderator
10 likes given 250 sign-ins 50 solutions authored

Hello Kelvin,

We officially do not confirm a definite failure mode behaviour.  So we cannot guarantee either open or short failure. 

Generally, if the load protection is the concern, then the customers implement the tests on their end. 

Regards

Meghana

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