Infineon Releases 1200V CoolSiC MOSFETs

Infineon Technologies has rolled out its latest generation of CoolSiC MOSFETs: 1200 V Generation 2 (G2). It is now available in a top-side-cooled Q-DPAK package. These new devices are engineered specifically for demanding industrial setups like EV chargers, solar inverters, motor drives, solid-state circuit breakers, and uninterruptible power devices (UPDs).

Instead of using the usual bottom-side cooling, the Q-DPAK allows heat to flow directly out of the top into the heatsink. That means faster heat removal, simpler cooling layouts, and more compact hardware design. On top of that, it lowers parasitic inductance, which matters a lot for smoother high-speed switching.

Performance-wise, the G2 CoolSiC MOSFETs cut switching losses by up to 25%, compared to previous versions with similar RDS(on). That boosts system efficiency by about 0.1%. While that may sound small, it adds up when you’re running large or continuous operations.

Infineon’s advanced XT die-attach process also helps, reducing thermal resistance by more than 15% and dropping device temperatures by up to 11%. With RDS(on) options between 4 mΩ and 78 mΩ and support for junction temperatures up to 200°C, these devices are ready for overload and stress-heavy conditions.

In the Indian context, this kind of solution is vital. The EV space is booming, but charging infrastructure still faces problems around heat management. In hot cities like Delhi or Chennai, power systems overheat fast. A top-cooled MOSFET helps bring down failures, improve uptime, and reduce maintenance. It’s also useful in solar systems installed across Indian rooftops, where limited space and high ambient heat are common.

Infineon’s new release shows just how much focus the company is putting into refining power semiconductor design. These CoolSiC MOSFETs blend electrical performance, thermal reliability, and mechanical simplicity, meeting the needs of evolving applications in energy, mobility, and automation.

Source: BIS Infotech, July 30, 2025
Infineon Releases 1200V CoolSiC MOSFETs Q-DPAK