Infineon IPW65R080CFD: Redefining High-Efficiency Power Conversion with 650V CoolMOS™ CFD7 Technology
The Infineon IPW65R080CFD represents a significant advancement in power semiconductor technology, leveraging the latest CoolMOS™ CFD7 platform to deliver exceptional performance in high-voltage applications. Designed for demanding switch-mode power supplies (SMPS), industrial drives, and renewable energy systems, this 650V, 80mΩ power transistor combines ultra-low losses with robust switching characteristics, making it a top choice for engineers seeking to maximize efficiency and power density.
At the core of the IPW65R080CFD is Infineon’s revolutionary superjunction (SJ) technology, which minimizes on-state resistance (RDS(on)) while maintaining low gate charge (Qg). This results in significantly reduced conduction and switching losses, enabling higher operating frequencies and more compact magnetic components. The device’s 80mΩ typical RDS(on) ensures minimal power dissipation even under high-load conditions, contributing to cooler operation and improved system reliability.
A key feature of the CoolMOS™ CFD7 series is the integrated fast body diode, which enhances hard-switching performance and reduces reverse recovery charges (Qrr). This makes the transistor particularly suitable for zero-voltage switching (ZVS) topologies such as LLC resonant converters and phase-shifted full-bridge circuits, where diode behavior critically impacts efficiency and electromagnetic interference (EMI).

The IPW65R080CFD also excels in ruggedness and ease of use. Its low effective output capacitance (Coss(eff)) and reduced gate-drain charge (Qgd) simplify gate driving requirements and minimize switching noise. The device is housed in a TO-247 package, offering excellent thermal performance and mechanical stability for high-power applications.
In practical applications, this transistor enables power supplies to achieve 80 Plus Titanium efficiency standards, supports higher power density in solar inverters, and improves motor drive performance in industrial automation. Its versatility and high performance make it a cornerstone of modern energy-efficient designs.
The Infineon IPW65R080CFD sets a new benchmark in high-voltage power transistors, offering a perfect balance of low losses, high switching speed, and thermal performance. It is an ideal solution for next-generation high-efficiency and high-density power systems.
Keywords:
CoolMOS™ CFD7, High-Efficiency, Superjunction Technology, ZVS Topologies, Power Density
