GaN or SiC witch semiconductor MOSFET will be the best?

I'm looking into the spec of some GaN transistor and they look much better than normal MOSFET , for example this http://www.gansystems.com/datasheets/20150904/GS61008T%20DS%20Rev%20150904.pdf transistor is a 100 V 7,4 mOhm and is only 3mm x 6 mm big and is rated for a peak current of 90Ampere , I think current controller can become less than one quarter in size compared to current mosfet controller for the same current. Also SiC components looks very good and in both cases the price very close to the standard silicon part

It's a trickier question than you might think.

The crude answer is GaN matured should be better suited towards lower voltages, SiC matured better suited towards higher voltages.

It depends completely on the application you are targeting, power level, power density, motor specs, pricing, single device or parallel, etc.

liveforphysics said:

It's a trickier question than you might think.

The crude answer is GaN matured should be better suited towards lower voltages, SiC matured better suited towards higher voltages.

Click to expand...

why do you think GaN and SiC need to mature more ? some OEM part supplier for cars have already GaN Level2 charger for Electric cars ready for the market
https://chargedevs.com/newswire/level-2-charger-with-gan-semiconductors-achieves-record-efficiency/

Both GaN and SiC are improving so rapidly and decreasing in price so rapidly that it's hard to call either of them mature. They are both incredible even as the parts that you can buy right now, and they are only getting better.