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BUK7J1R4-40HX-VB Product details
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The VBsemi BUK7J1R4-40HX-VB is a Single N-Channel MOSFET manufactured using SGT technology, designed for low-voltage, high-current power conversion and high power density control applications. Its LFPAK56 package offers excellent heat dissipation and low parasitic parameters, making it suitable for high-reliability power systems and compact PCB layouts. With a drain-source voltage of 40V, it provides extremely low on-resistance and a current handling capability of up to 150A, significantly reducing conduction losses and enhancing system efficiency.
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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
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): 3V (typical)
On-Resistance (VGS=10V): 0.7mΩ (typical)
Maximum Drain Current (ID): 150A
Package: LFPAK56
Technology: SGT
Domain and module applications：
1. High-Power DC-DC Converters: Used in synchronous rectification stages or as main switches, leveraging ultra-low on-resistance to significantly reduce rectification losses, suitable for high-current Buck/Boost designs.
2. Power Tools and Industrial Motor Drives: Drives high-power brushless or brushed DC motors, supporting high-frequency PWM speed control, meeting heavy-load scenarios like drills, saws, and pumps.
3. Automotive Electronics and On-Board Power: Used in 12V/24V vehicle networks for battery management, DC-DC auxiliary power, and motor control, providing robust overcurrent and thermal management capabilities.
4. Server and Telecom Power Supplies: Applied in the power stage of high-efficiency switching power supplies, adapting to high-density current output, improving overall power conversion efficiency.
5. Battery Protection and Energy Storage Systems: Serves as the main switch for charging/discharging large-capacity lithium battery packs, working with protection ICs for fast shutdown, ensuring cell and system safety.
6. Electric Vehicle Control Units: Used in drive controllers for low-speed electric vehicles, balance bikes, and electric motorcycles, meeting high-current switching and heat dissipation needs.
7. Load Switches and Power Distribution Systems: Acts as a core switching device in intelligent power distribution modules, achieving low-loss load connection and power distribution.
* 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
