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China Just Made the World's Fastest Transistor and It Is Not Made of Silicon
(www.zmescience.com)
this post was submitted on 05 May 2025
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I mean, I work with transistors and gallium nitride transistors are actually a thing. Like you can just buy them yourself. I've looked through a few examples and they seem pretty decent. Certainly there are much fewer of them than the silicon stuff, but I imagine it's a new technology, so that makes sense.
Yes they are obviously a thing, but when we're talking about CMOS logic circuits required for consumer electronics like smartphones, laptops and desktops, they've been around since 2016 in research papers, and haven't really gone anywhere beyond more research papers.
Obviously you won't disrupt those massive sprawling supply chains for the most state of the art chips right away for such a new tech. However, the availability of discretes means that there is some appetite for non silicon tech.
The hyperlink directs to "nl.farnell.com/en-NL"...
Are you Dutch too? What a coincidence, haha.
No, I'm an immigrant.
Wait, you're Dutch? We might actually be going to the same uni if you are studying electrical engineering 😳
are gallium nitride transistors what make all the new GaN (gallium nitride) USB power delivery devices work? I have one and its awesome. Of course the gallium nitride isn't being used for a microprocessor in that case.
It seems to be the case. The GaN MOSFETs I am seeing on the market seem to have very good power characteristics, much better than the silicon stuff so I am not surprised to see GaN MOSFETs be used for power supplies.