Infineon BSZ0902NS: High-Performance N-Channel MOSFET for Advanced Power Management Applications
In the rapidly evolving landscape of electronics, the demand for efficient, compact, and reliable power management solutions is higher than ever. At the heart of many such systems lies the MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor), a critical component for switching and amplifying electronic signals. The Infineon BSZ0902NS stands out as a premier N-Channel MOSFET engineered to meet the rigorous demands of modern power management applications.
This device is built using Infineon’s advanced OptiMOS™ technology, which is renowned for its exceptional efficiency and performance. The BSZ0902NS is designed with a focus on ultra-low on-state resistance (RDS(on))—a key parameter that directly impacts power loss and thermal performance. With an RDS(on) of just 1.8 mΩ at 10 V, this MOSFET minimizes conduction losses, making it ideal for high-current applications where energy efficiency is paramount.
Housed in a compact SuperSO8 package, the BSZ0902NS offers an excellent power-to-size ratio. This small footprint is crucial for space-constrained designs such as server power supplies, telecom infrastructure, and automotive systems, without compromising on thermal management or current handling capability. The package ensures low thermal resistance, enabling effective heat dissipation and sustained performance under heavy load conditions.

Another standout feature is its fast switching capability. The low gate charge (Qg) and output charge (Qoss) of the BSZ0902NS allow for rapid turn-on and turn-off transitions. This reduces switching losses significantly, which is particularly beneficial in high-frequency circuits like DC-DC converters, motor drives, and load switches. The result is higher system efficiency, reduced heat generation, and the ability to operate at elevated frequencies.
Furthermore, the device boasts a robust and reliable design, with a high maximum drain current (Id) of 100 A and a drain-source voltage (VDS) rating of 25 V. It also offers enhanced avalanche ruggedness, providing an additional layer of protection in demanding environments. These characteristics make it suitable for a wide range of industrial, consumer, and automotive applications where durability and longevity are critical.
ICGOODFIND: The Infineon BSZ0902NS is a top-tier N-Channel MOSFET that delivers outstanding efficiency, thermal performance, and reliability. Its combination of ultra-low RDS(on), fast switching, and compact packaging makes it an excellent choice for advanced power management solutions.
Keywords:
OptiMOS™ Technology, Ultra-Low RDS(on), Fast Switching, SuperSO8 Package, Power Management.
