Infineon IRFH7440TRPBF N-Channel MOSFET 40V 85A 8PQFN

High-Performance Power Management with Infineon IRFH7440TRPBF MOSFET

The Infineon IRFH7440TRPBF is a cutting-edge N-Channel MOSFET engineered to deliver exceptional performance in demanding power management applications. With its advanced HEXFET® and StrongIRFET™ technologies, this device combines high efficiency, reliability, and compact design, making it ideal for automotive systems, industrial equipment, and high-current switching circuits. Whether you're designing power supplies, motor control systems, or battery management solutions, the IRFH7440TRPBF offers the robust specifications needed to meet modern engineering challenges.

Key Technical Specifications

At its core, the IRFH7440TRPBF features a drain-to-source voltage (Vdss) rating of 40V and supports continuous drain currents up to 85A at 25°C. Its low on-resistance (Rds(on)) of just 2.4mΩ at 50A and 10V gate-source voltage ensures minimal power loss and heat generation. The device is optimized for operation at gate drive voltages of 6V and 10V, with a maximum gate charge (Qg) of 138nC at 10V, enabling fast switching performance. Additional parameters include a threshold voltage (Vgs(th)) of 3.9V at 100µA, input capacitance (Ciss) of 4574pF at 25V, and a maximum power dissipation of 104W at case temperature (Tc).

Advanced Design for Diverse Applications

Built with a surface-mount 8-PQFN (5x6) package, the IRFH7440TRPBF balances thermal efficiency with space-saving design. Its rugged construction allows operation in extreme temperatures (-55°C to 150°C), ensuring stability in automotive environments where thermal cycling is common. The device's ±20V gate-source voltage rating provides enhanced protection against voltage spikes, while its tape-and-reel packaging facilitates automated assembly processes. These features make it particularly well-suited for electric vehicle powertrains, industrial automation systems, and high-efficiency DC-DC converters.

Why Choose the IRFH7440TRPBF?

Engineers selecting this MOSFET benefit from Infineon's decades of expertise in power semiconductor technology. Compared to conventional devices, the IRFH7440TRPBF offers superior energy efficiency through its minimized conduction losses and optimized switching characteristics. Its high current capacity reduces the need for parallel device configurations, simplifying PCB layouts and lowering overall system costs. Additionally, the device's compliance with RoHS standards and halogen-free materials aligns with modern environmental regulations, making it a sustainable choice for eco-conscious designs.

Reliability in Real-World Conditions

Designed for mission-critical applications, this MOSFET undergoes rigorous testing to ensure long-term durability. The device maintains stable performance across its entire operating temperature range, with thermal resistance specifications optimized for effective heat dissipation in high-current scenarios. Its avalanche energy rating and short-circuit withstand capability further enhance system robustness, reducing field failure rates in challenging environments. When implemented in synchronous rectification circuits or motor drive inverters, the IRFH7440TRPBF consistently delivers the reliability required for industrial and automotive applications.

Conclusion: Powering the Future of Electronics

The Infineon IRFH7440TRPBF represents the pinnacle of MOSFET innovation, combining high-performance electrical characteristics with a compact footprint. Its versatility across multiple industries—from renewable energy systems to smart factory automation—positions it as a vital component in next-generation power electronics. By integrating this device into your designs, you gain access to Infineon's comprehensive technical support resources and quality assurance programs, ensuring successful implementation in even the most demanding applications. Whether optimizing existing systems or developing cutting-edge power solutions, the IRFH7440TRPBF provides the foundation for efficient, reliable, and future-proof electronic designs.

Tags: Power MOSFET, HEXFET Technology, Automotive Electronics, Industrial Transistors, Surface Mount Device