# \#swiching

**URL:** https://forum.plexim.com/tag/swiching/638.md

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## [MOSFET Losses calculation in Thermal wizard via formula](https://forum.plexim.com/t/mosfet-losses-calculation-in-thermal-wizard-via-formula/1292)

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**Author:** [@Tejal\_Chauhan](https://forum.plexim.com/u/Tejal_Chauhan)\
**Replies:** 2\
**Last updated:** [December 8, 2023, 7:35am UTC](https://forum.plexim.com/t/mosfet-losses-calculation-in-thermal-wizard-via-formula/1292 "2023-12-08T07:35:40Z")

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I am calculating the MOSFET Switching losses in the PLECS with the thermal wizard using the formula panel. I wrote simple formula as I don’t have any switching losses graph from the vendor. My question is, Do I need to p…