The BUK9Y21-40E is a high-performance, N-channel TrenchMOS™ extremely low-level FET from NXP Semiconductors, designed to deliver efficient power management within a compact footprint. This advanced power MOSFET is engineered to achieve low on-state resistance and to provide optimal switching performance, making it an ideal choice for a broad range of applications, including automotive systems, power supplies, motor control, and industrial automation.

Key Features

• Low On-Resistance: The BUK9Y21-40E boasts an exceptionally low on-state resistance (R<sub>DS(on)), which minimizes conduction losses and enhances overall efficiency.
• High-Speed Switching: Its fast switching capabilities ensure reduced switching losses, contributing to the high-efficiency operation in power conversion applications.
• Robust Thermal Performance: With an excellent thermal design, this MOSFET can operate at higher temperatures, maintaining stability and reliability in demanding conditions.
• Advanced TrenchMOS Technology: Utilizing NXP's cutting-edge TrenchMOS technology, the BUK9Y21-40E offers superior performance, including low gate charge and reduced capacitance.

Applications

The versatility of the BUK9Y21-40E allows it to be used in a wide array of applications. These include:

• DC/DC converters
• Motor drives
• Power management systems
• Battery management systems
• Automotive applications, such as engine management and powertrain systems

Product Specifications

Some of the key specifications for the BUK9Y21-40E include:

• Drain-source voltage (V<sub>DSS): 40V
• Continuous drain current (I<sub>D): 100A
• Power dissipation (P<sub>D): 195W
• Operating temperature range: -55°C to +175°C

With its combination of power efficiency, high-speed switching, and robust thermal performance, the BUK9Y21-40E stands out as a superior choice for designers looking to optimize their power management solutions. NXP's commitment to quality and performance is evident in this TrenchMOS power MOSFET, making it a reliable and effective component for high-demand applications.