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Quote from: BrokenYugo on July 09, 2023, 12:57:33 pmWhere does it say they're being used in a production product? I went back and read a little closer, I was wrong, he only ever used SITs in some prototype stuff. Here's the actual website. https://www.passlabs.com/ zero mention of VFET/SIT on any of the amps offered. It's something the dude messed with personally, hyped a bit and probably ran into the same problem you have, they're out of production, rare, and expensive, and assuming Benta is correct, built with a no longer available process.I have sent a RFI to Suncoast asking this question. Maybe they will reply.
Where does it say they're being used in a production product? I went back and read a little closer, I was wrong, he only ever used SITs in some prototype stuff. Here's the actual website. https://www.passlabs.com/ zero mention of VFET/SIT on any of the amps offered. It's something the dude messed with personally, hyped a bit and probably ran into the same problem you have, they're out of production, rare, and expensive, and assuming Benta is correct, built with a no longer available process.
IRFP240/9240 are a currently available MOSFET complementary pair with a DC safe operating area, allowing for linear operation. https://www.mouser.com/ProductDetail/Vishay-Semiconductors/IRFP240PBF?qs=cvaI6Thkwxs4DuqF5TWfHQ%3D%3DOnly other place to look is Soviet surplus, if they ever made anything like that.
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