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BXK9R4R5-40HJ-VB Product details

Product introduction:

BXK9R4R5-40HJ-VB is a high-current, low-loss N-channel power MOSFET, packaged in DFN8(5X6), with a 40V withstand voltage and 70A current carrying capacity. Utilizing Trench technology, it features an ultra-low on-resistance of 4.7mΩ (at 10V drive), strong current handling capability, and low heat generation, making it suitable for high-density power conversion applications. The gate drive range is wide, compatible with ±20V, adapting to various control circuits and enhancing system reliability.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
DFN8(5X6) Single-N 40V 2.5V 70A 6(mΩ) 4.7(mΩ) Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
DFN8(5X6) Single-N Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
DFN8(5X6) Single-N 40V 2.5V 70A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
DFN8(5X6) Single-N 40V 2.5V 70A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
DFN8(5X6) Single-N
Voltage Rating: 40V
Drive Voltage: ±20V
Threshold Voltage: 2.5V
On-Resistance (4.5V Drive): 6 mΩ
On-Resistance (10V Drive): 4.7 mΩ
Maximum Current: 70A
Package: DFN8(5X6)

Domain and module applications:


DC-DC Converters → Synchronous rectification, high efficiency, low temperature rise
Motor Drives → High current output, fast response, stable and reliable
Lithium Battery Protection → Low impedance, reduced voltage drop, extended battery life
Server Power Supplies → High power density, superior heat dissipation
Power Tools → Impact resistance, strong overcurrent capability
Automotive Electronics → Wide drive range, adaptable to complex operating conditions
Fast Chargers and Adapters → Low switching losses, improved overall energy efficiency
* 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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