High-Power Switching Applications with the IRFP4568PBF HEXFET Power MOSFET

In the realm of power electronics, the demand for efficient and robust switching components is paramount. The IRFP4568PBF HEXFET Power MOSFET stands out as a premier choice for designers tackling high-power applications. This N-channel MOSFET, built on International Rectifier's advanced HEXFET technology, is engineered to deliver exceptional performance in demanding environments, offering a blend of high current handling, low on-resistance, and durability.

A key feature of the IRFP4568PBF is its impressively low typical on-resistance (RDS(on)) of just 18 mΩ at a gate-source voltage of 10 V. This characteristic is critical for high-power switching, as it directly translates to reduced conduction losses. Lower RDS(on) means less power is dissipated as heat during the "on" state, leading to higher overall system efficiency and reduced thermal management requirements. With a drain current (ID) rating of 130A and a drain-source voltage (VDS) of 150V, this MOSFET is adept at handling substantial power levels in circuits like motor drives, power supplies, and inverters.

The device's suitability for high-speed switching is another major advantage. The inherent design of the HEXFET structure minimizes internal capacitances, enabling faster switching transitions. This is essential for modern switch-mode power supplies (SMPS) and pulse-width modulation (PWM) controllers, where operating frequencies continue to increase to reduce the size of passive components. Faster switching speeds improve response time and allow for more compact and efficient designs.

Thermal performance and reliability are further strengthened by the TO-247AC package, which provides a mechanically robust housing with a low thermal resistance path. This ensures that heat generated during operation is effectively transferred to a heatsink, maintaining the junction temperature within safe operating limits and guaranteeing long-term stability even under strenuous conditions.

Typical applications where the IRFP4568PBF excels include:

High-current DC-DC converters and switching voltage regulators.

Motor control systems for industrial automation and electric vehicles.

Uninterruptible Power Supplies (UPS) and inverter systems.

High-frequency welding equipment and arc generators.

ICGOODFIND: The IRFP4568PBF is a cornerstone component for power engineers, offering an optimal balance of low conduction loss, high current capacity, and robust switching performance. Its reliability and efficiency make it an indispensable part of modern high-power electronic systems, from industrial machinery to renewable energy solutions.

Keywords: Power MOSFET, High-Current Switching, Low RDS(on), HEXFET Technology, Thermal Management