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BUK9Y1R3-40HX-VB Product details
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Are you designing a high-power DC-DC converter or power tool drive module with tight PCB space, yet needing to handle surge currents up to 150A? Standard MOSFETs either suffer from excessive conduction losses or severe thermal buildup, compromising system stability. The VBsemi BUK9Y1R3-40HX-VB is built for this challenge – combining 40V voltage rating, 150A current capability, and an ultra-low on-resistance of only 0.7mΩ, it integrates extreme efficiency and high power density into the LFPAK56 package, allowing high-current power designs without compromise.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | 0.7(mΩ) | SGT |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | SGT |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | SGT |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 3V | 150A | SGT |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | MOS |
Drain-Source Voltage (VDS): 40V, providing safety margin for low-voltage high-current applications
Gate-Source Voltage (VGS): ±20V, compatible with various logic level drivers
Threshold Voltage (Vth): 3V, providing clear switching characteristics
On-Resistance (RDS(on)): 0.7mΩ (at VGS=10V), extremely low loss, significantly reduced heat generation
Maximum Drain Current (ID): 150A, confidently handling high-power scenarios
Technology: SGT (Shielded Gate Trench), excellent figure of merit, balancing switching speed and conduction loss
Domain and module applications：
Automotive Electronics / Automotive DC-DC – Used as main switch or synchronous rectifier, withstands high current and voltage fluctuations, improving vehicle power conversion efficiency.
Motor Drive Modules – Acts as power stage switch in high-power BLDC or PMSM drives, providing high current capability and low thermal resistance.
Power Tools / E-Bikes – Delivers stable current output under stall or heavy load conditions, reducing MOSFET temperature rise and extending tool life.
Server Power Supplies / Telecom Power Supplies – Used in high-frequency synchronous rectifier bridges, reducing rectification losses with ultra-low on-resistance to improve overall energy efficiency.
Battery Energy Storage Systems – Serves as high-current on/off control in charge/discharge circuits, ensuring low-loss and high-reliability power paths.
High-Power Inverters – Used in the front-end of DC-AC conversion or H-bridge drives, leveraging 40V voltage rating and SGT technology for smooth power conversion.
Industrial Controllers / Welding Equipment – Meets demanding surge current and long-duration load requirements, providing a solid foundation for high-power modules.
In a nutshell: The BUK9Y1R3-40HX-VB is not an ordinary MOSFET; it is the "current expressway" and "efficiency engine" for your high-power, low-loss designs.
* 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
