Infineon IDW10G65C5: 650V SiC Trench MOSFET for High-Efficiency Power Conversion
The relentless pursuit of higher efficiency, greater power density, and improved reliability in power electronics is driving the widespread adoption of Wide Bandgap (WBG) semiconductors. Among these, Silicon Carbide (SiC) MOSFETs stand out, and the Infineon IDW10G65C5 is a prime example of how this technology is revolutionizing power conversion systems. This 650V SiC trench MOSFET is engineered to deliver exceptional switching performance and low conduction losses, making it an ideal choice for a multitude of high-performance applications.
At the heart of this device is Infineon's advanced CoolSiC™ Trench technology. Unlike planar SiC designs, the trench architecture significantly enhances channel mobility. This translates directly into a lower specific on-resistance (R DS(on)) for a given die size, which is crucial for minimizing conduction losses. The low R DS(on) of 65 mΩ (max) at 25°C ensures that less energy is wasted as heat during the on-state operation, directly boosting the overall efficiency of the system.
However, the true advantage of SiC is most evident in switching performance. The IDW10G65C5 exhibits ultra-low switching losses due to the inherent material properties of SiC. The device features a very low intrinsic capacitance and achieves negligible reverse recovery charge (Q rr) in its body diode. This allows for significantly higher switching frequencies compared to traditional Silicon (Si) counterparts. Operating at higher frequencies enables designers to use smaller passive components like inductors and capacitors, leading to a substantial reduction in the size and weight of the final power system, thereby increasing power density.
The combination of low conduction and switching losses makes this MOSFET exceptionally efficient. This is paramount for applications where energy savings and thermal management are critical. Furthermore, the 650V voltage rating provides a robust safety margin for operations in 400V bus systems, common in industrial settings, and ensures enhanced reliability against voltage spikes and transients.
The Infineon IDW10G65C5 is particularly suited for a range of demanding applications, including:
Server & Telecom SMPS: Improving efficiency in power supplies for data centers and communication infrastructure.
Industrial Power Supplies: Enabling compact and efficient designs for motor drives and automation systems.

Solar Inverters: Maximizing energy harvest in photovoltaic systems by reducing conversion losses.
EV Charging Infrastructure: Facilitating fast and efficient AC-DC and DC-DC conversion in charging stations.
ICGOO
In summary, the Infineon IDW10G65C5 650V CoolSiC™ MOSFET is a high-performance semiconductor device that sets a new benchmark for efficiency and power density. Its trench cell technology, which yields low on-resistance and outstanding switching characteristics, empowers engineers to push the boundaries of design in modern power conversion systems. By effectively reducing both static and dynamic losses, it is a key enabler for the next generation of energy-efficient electronics.
Keywords:
1. CoolSiC™ Technology
2. Low Switching Losses
3. High-Efficiency Conversion
4. 650V MOSFET
5. Trench Architecture
