This may not appear sexy but this is a huge deal. Power semiconductors are critical for most NatSec and industrial usecases.

You can likely live without a new gaming rig. You likely cannot live without replaceable parts for trucks and cars.

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gosub100 2 hours ago | parent | next [-]

Trucks and cars worked fine without them for decades

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adrian_b an hour ago | parent [-]

Because they did not use electric motors.

Now SiC MOSFETs are the most efficient devices for the power converters used in electric vehicles, where DC voltages of 800 V or 1000 V are used in the latest models, which require, respectively, 1200 V or 1400 V SiC MOSFETs.

GaN HEMTs (high-electron-mobility transistors) are the most efficient devices for the power supplies that are fed from mains electricity, where 650 V GaN devices are used for the universal power supplies, which must accept up to 240 V AC on input.

	▲	lightedman 24 minutes ago \| parent \| next [-]
		"Because they did not use electric motors." Wooooo let's go back to 1827 for a moment and have a chat with Anyos Jedlik. Or maybe Andres Flocken in 1881. Let's see how they did electric vehicles. Oh, lookie there, no SiC.
	▲	Joker_vD 29 minutes ago \| parent \| prev [-]
		...Can't we just go back to thermionic vacuum tubes at this point? Those worked just fine at kilowatt powers and megahertz frequencies.

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tadfisher 2 hours ago | parent | prev [-]

That's a funny way to frame things. Do you think Infineon is forced to choose between those two markets?