Infineon IPP051N15N5AKSA1: A High-Performance OptiMOS 5 Power MOSFET for Efficient Power Conversion
The relentless pursuit of higher efficiency and power density in modern electronics places immense demands on power switching components. Addressing these challenges, Infineon Technologies' IPP051N15N5AKSA1 stands out as a premier solution in the OptiMOS™ 5 family, setting a new benchmark for performance in power conversion systems.
This component is a N-channel power MOSFET built on an advanced superjunction technology platform. Rated for 150V drain-source voltage (VDS) and a continuous drain current (ID) of 240A at 25°C, it is engineered to handle significant power levels with remarkable reliability. A key metric for any switching device is its on-state resistance, and the IPP051N15N5AKSA1 excels with an ultra-low RDS(on) of just 1.51 mΩ (max. at 10V VGS). This exceptionally low resistance is the cornerstone of its performance, leading to minimal conduction losses during operation. When a MOSFET is in its on-state, power is dissipated as heat according to I²R losses. By drastically reducing the RDS(on), this device ensures that more energy is delivered to the load and less is wasted, directly enhancing the overall efficiency of the application.
Furthermore, the OptiMOS™ 5 technology delivers superior switching performance. The device features optimized internal gate resistance and low parasitic capacitances, which contribute to faster switching speeds and reduced switching losses. This is particularly critical in high-frequency switch-mode power supplies (SMPS), where switching losses can become a dominant factor in total power dissipation. The combination of low conduction and switching losses allows designers to push for higher operating frequencies, which in turn enables the use of smaller passive components like inductors and capacitors, increasing the overall power density of the system.
The benefits extend beyond raw electrical specifications. The IPP051N15N5AKSA1 is offered in an Advanced SMD (SuperSO8) package, which provides a compact footprint essential for space-constrained designs. Despite its small size, the package is designed for enhanced thermal dissipation, efficiently transferring heat from the silicon die to the PCB. This robust thermal performance ensures the device can operate reliably under high-stress conditions, contributing to the long-term durability of the end product.

Typical applications where this MOSFET shines include:
High-Current DC-DC Converters in server, telecom, and computing infrastructures.
Motor Control and Drives for industrial automation and robotics.
Solar Inverters and other renewable energy systems.
Battery Management Systems (BMS) and protection circuits.
ICGOOODFIND: The Infineon IPP051N15N5AKSA1 is a top-tier OptiMOS™ 5 power MOSFET that delivers a winning combination of ultra-low RDS(on) for minimal conduction loss, excellent switching characteristics for high-frequency operation, and a thermally efficient Advanced SMD package. It is an ideal component for engineers aiming to maximize efficiency and power density in their next-generation power conversion designs.
Keywords: OptiMOS 5, Ultra-low RDS(on), High Power Efficiency, Advanced SMD Package, Power MOSFET.
