How to calculate safe power vs operating freq for MosFET ?

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binu G

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calculate mosfet soa

Hi,

How we can find the maximum safe operating freqency for a mosfet?

From the datasheet only relation for few frequency is specified.
how can i calculate for the rest?

thanks
binu g
 

mosfet soa

The following article shows how to calculate the time-to-damage characteristic of the MOSFET from SOA. Not sure whether it will help you or not.

http://www.circuitprotection.com/02Databook/industrial/03.E10_mosfet_(164-168).pdf
 

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