Infineon FS35R12W1T4: A High-Performance 1200V IGBT7 Power Module for Industrial Drives and Inverters

The evolution of power electronics demands continuous improvement in semiconductor technology to achieve higher efficiency, power density, and reliability. Addressing these needs, Infineon Technologies introduces the FS35R12W1T4, a 1200V IGBT7 power module engineered specifically for high-performance industrial drive and inverter applications. This module represents a significant leap forward, leveraging the latest IGBT7 technology to set new benchmarks in the industry.

At the core of the FS35R12W1T4 is Infineon’s advanced 7th generation IGBT chip. This technology is renowned for its drastically reduced static and dynamic losses, enabling higher switching frequencies and lower thermal dissipation compared to previous generations. The module features a nominal current rating of 35A and is housed in an industry-standard EconoDUAL 3 package, making it an excellent drop-in replacement for upgrades or new designs aiming for superior performance.

A key innovation in the IGBT7 is the implementation of a micro-pattern trench gate field stop. This design minimizes the trade-off between switching losses (E_off) and saturation voltage (V_ce,sat), a longstanding challenge in power semiconductor design. The result is an unprecedented level of efficiency, particularly in the low to medium switching frequency range typical of industrial motor drives, which directly translates into reduced system energy consumption and lower operating costs.

Furthermore, the module incorporates an updated Emitter Controlled 7 (EC7) diode. This optimized diode ensures exceptional softness during reverse recovery, which is critical for managing voltage overshoot and electromagnetic interference (EMI) in demanding inverter environments. This characteristic allows for smoother operation and can simplify the design of snubber circuits or other protective measures.

The robust construction of the EconoDUAL 3 package ensures high power cycling and thermal cycling capabilities, which are essential for the long-term reliability required in 24/7 industrial operations. The module offers a maximum operating junction temperature (Tvjop) of 175°C, providing a wider safety margin and greater design flexibility in managing thermal loads.

Target applications for the FS35R12W1T4 are extensive, including:

Industrial Motor Drives: For controlling AC motors in pumps, fans, compressors, and conveyor systems.

Uninterruptible Power Supplies (UPS): Enhancing efficiency in high-power three-phase UPS systems.

Solar Inverters and Energy Storage: Optimizing power conversion in renewable energy applications.

Industrial Welding Equipment: Providing reliable and efficient power for welding machinery.

ICGOO

The Infineon FS35R12W1T4 power module stands as a testament to the maturity and capability of IGBT7 technology. It delivers a powerful combination of minimized losses, increased power density, and robust reliability, making it an ideal solution for modern industrial inverters and drives seeking to maximize performance and energy savings.

Keywords: IGBT7 Technology, Industrial Drives, High Efficiency, EconoDUAL 3, Power Density