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BUK9Q7R0-40HJ-VB Product details

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Product introduction：

BUK9Q7R0-40HJ-VB is a high current, low loss N-Channel MOSFET in a DFN8(3X3) package, with a 40V withstand voltage and 40A current capability. Leveraging Trench technology, it achieves an on-resistance as low as 4.5mΩ at 10V drive, resulting in minimal heat generation and excellent efficiency. The ±20V wide gate drive range is compatible with various low-voltage control circuits, making it suitable for high-density power supply and power switching applications.

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Product parameter：

VB Package Configuration VDS(V) VGS Vthyp（V） ID(A) Rds2.5 Rds4.5 Rds10 Technology
DFN8(3X3) Single-N 40V 2.5V 40A 6(mΩ) 4.5(mΩ) Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
DFN8(3X3) Single-N Trench
VB Package Configuration VDS(V) VGS Vthyp（V） ID(A) Rds18 Technology
DFN8(3X3) Single-N 40V 2.5V 40A Trench
VB Package Configuration VDS(V) VGS Vthyp（V） ID(A) Rds6 Technology
DFN8(3X3) Single-N 40V 2.5V 40A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
DFN8(3X3) Single-N
Voltage: 40V
Drive Voltage: ±20V
Threshold Voltage: 2.5V
On-Resistance (4.5V Drive): 6 mΩ
On-Resistance (10V Drive): 4.5 mΩ
Maximum Current: 40A
Package: DFN8(3X3)
Technology: Trench

Domain and module applications：


DC-DC Converter → Synchronous Rectification, Higher Efficiency, Lower Temperature Rise
Motor Drive → High Current Capacity, Fast Response, Smooth Operation
Battery Charge/Discharge Management → Low Conduction Loss, Extended Battery Life
Power Path Switching → Clean Switching, Low Voltage Drop, High Reliability
Lithium Battery Protection Board → Timely Overcurrent Protection, Enhanced Safety
Server/Telecom Power Supply → Compact Package, High Power Density Design
Automotive Electronic Systems → Good Temperature Resistance, Impact Resistance, More Stable Power Supply
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features

Technical support：

* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours

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