NXP BUK9608-55B: A High-Performance TrenchMOS Power MOSFET for Demanding Automotive and Industrial Applications

Modern automotive and industrial systems demand power switching solutions that combine high efficiency, rugged reliability, and compact form factors. Addressing these challenges head-on, the NXP BUK9608-55B stands out as a benchmark TrenchMOS power MOSFET engineered to excel in the most demanding environments.

This device is optimized for low on-state resistance (RDS(on)) of just 5.5 mΩ (max.) at 10 V, a critical feature that directly translates into minimal conduction losses and superior energy efficiency. Whether managing high currents in electric power steering (EPS), braking systems, motor control units, or robust industrial power supplies, the reduced power loss helps simplify thermal management and can contribute to higher overall system reliability.

Built on NXP’s advanced TrenchMOS technology, the BUK9608-55B offers a compelling balance of performance and durability. It features a high maximum continuous current (ID) of 80 A and an impressive avalanche ruggedness, ensuring it can handle voltage spikes and stressful inductive switching events commonly encountered in automotive and industrial landscapes. Furthermore, its qualification to AEC-Q101 standards guarantees that it meets the stringent quality and reliability requirements essential for automotive applications.

Housed in a space-efficient, low-inductance LFPAK 56 (8 x 8 mm) package, this MOSFET is not only performance-oriented but also aids in achieving higher power density in modern electronic designs. Its low gate charge (Qg) enables fast switching speeds, which is paramount for high-frequency switching regulators and inverters, further reducing switching losses and improving system efficiency.

ICGOOODFIND: The NXP BUK9608-55B is a superior TrenchMOS MOSFET that sets a high standard for power switching. Its exceptional combination of ultra-low RDS(on), high current handling, avalanche capability, and AEC-Q101 compliance makes it an ideal and robust choice for designers pushing the limits in next-generation automotive and industrial power electronics.

Keywords: TrenchMOS, Low RDS(on), AEC-Q101, Automotive Grade, High Current Capability.