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Technology Stocks : Wolf speed

WOLF 26.32

+0.6%

Oct 31 9:30 AM EST

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To: EvanG who wrote (10542)	8/29/2022 12:00:35 PM
From: slacker711	Read Replies (1) of 10712

Compiled the on resistance for automotive qualified 1200V SiC mosfets from various vendors. Is there some sort of advantage to some of them having larger values? My understanding is that the Rds(on) is inversely related to the breakdown voltage. It is possible that Wolfspeed's 1200v MOSFETs have a higher margin of safety than the others but the discrepancy is too large for that to be a good answer. Looking around, Wolfspeed is selling automotive qualified bare die MOSFETs that have a Rds(on) of 17mohms at 1200v. wolfspeed.com I can't believe that packaging is adding that much resistance but I don't have an explanation on the enormous difference between packaged and die specs.

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