Overview
The BUK7Y4R4-40EX is a high-performance N-channel MOSFET designed and manufactured by Nexperia USA Inc. This device is specifically tailored for demanding automotive applications, adhering to the AEC Q101 standard. It features a robust design suitable for thermally challenging environments, with an operating temperature rating of up to +175°C. The MOSFET is housed in the LFPAK56 package, which is known for its excellent thermal performance and compact size.
Key Specifications
| Parameter | Value |
|---|---|
| VDS (Drain-Source Voltage) | 40 V |
| ID (Continuous Drain Current) | 100 A |
| RDS(on) (On-State Drain-Source Resistance) | 4.4 mΩ |
| Ptot (Total Power Dissipation at Tc = 25°C) | 147 W |
| Tj (Junction Temperature) | -55 to +175°C |
| Package | LFPAK56 (Power-SO8) |
Key Features
- High current capability of 100 A, making it suitable for high-power applications.
- Low on-state resistance (RDS(on)) of 4.4 mΩ, reducing power losses and improving efficiency.
- AEC Q101 qualified, ensuring reliability and performance in automotive environments.
- High junction temperature rating of +175°C, suitable for thermally demanding applications.
- LFPAK56 package provides excellent thermal performance and a compact footprint.
Applications
The BUK7Y4R4-40EX is designed for high-performance automotive applications, including but not limited to:
- Electric power steering (EPS) systems.
- Electric braking systems.
- Heating and cooling systems.
- Other high-power automotive electronics.
Q & A
- What is the maximum drain-source voltage of the BUK7Y4R4-40EX?
The maximum drain-source voltage (VDS) is 40 V. - What is the continuous drain current rating of this MOSFET?
The continuous drain current (ID) is 100 A. - What is the on-state drain-source resistance of the BUK7Y4R4-40EX?
The on-state drain-source resistance (RDS(on)) is 4.4 mΩ. - What is the total power dissipation at Tc = 25°C for this MOSFET?
The total power dissipation (Ptot) at Tc = 25°C is 147 W. - What is the junction temperature range for the BUK7Y4R4-40EX?
The junction temperature (Tj) range is -55 to +175°C. - What package type is used for the BUK7Y4R4-40EX?
The package type is LFPAK56 (Power-SO8). - Is the BUK7Y4R4-40EX AEC Q101 qualified?
Yes, it is AEC Q101 qualified for use in high-performance automotive applications. - What are some typical applications for the BUK7Y4R4-40EX?
Typical applications include electric power steering (EPS) systems, electric braking systems, heating and cooling systems, and other high-power automotive electronics. - Why is the LFPAK56 package beneficial for this MOSFET?
The LFPAK56 package provides excellent thermal performance and a compact footprint, making it ideal for high-power applications in limited space. - Where can I find detailed specifications and datasheets for the BUK7Y4R4-40EX?
Detailed specifications and datasheets can be found on the official Nexperia website or through distributors like Digi-Key and Mouser Electronics.
