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BUK9Y4R8-60RAX-VB Product details
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BUK9Y4R8-60RAX-VB is a Single N-MOS deeply optimized for high-power-density low-voltage switching scenarios, using advanced Trench technology to balance extremely low conduction losses with fast switching capability. The LFPAK56 package achieves an excellent balance between thermal performance and footprint. The combination of 60V withstand voltage, 100A current-carrying capacity, and 2.9mΩ on-resistance makes it an ideal choice for high-current applications such as server power supplies, automotive electrical systems, and industrial DC-DC converters, especially in harsh environments requiring efficient heat dissipation and high reliability.
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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 | 60V | 2.4V | 100A | 3.48(mΩ) | 2.9(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 60V | 2.4V | 100A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 60V | 2.4V | 100A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N |
VDS=60V: Suitable for 12V/24V/48V systems, providing ample margin for switching spikes and transient overvoltage, significantly reducing avalanche breakdown risk.
VGS=±20V: Compatible with 4.5V~12V logic level drive, can be directly controlled by MCU/PMIC/gate driver, simplifying peripheral circuitry.
Vth=2.4V (typical): Moderate threshold voltage ensures anti-interference capability while allowing full conduction under 4.5V low-voltage drive.
RDS(on)=2.9mΩ @ VGS=10V: Ultra-low on-resistance, minimal full-load conduction loss, significantly reducing device temperature rise and heatsink size.
RDS(on)=3.48mΩ @ VGS=4.5V: Maintains extremely low on-resistance even under low-voltage logic drive, suitable for 5V drive systems.
ID=100A: Ample continuous current capability, easily handles startup and peak current surges of high-power loads.
Package LFPAK56: Low parasitic inductance and thermal resistance, supports high-frequency switching, saves PCB area, and improves system power density.
VGS=±20V: Compatible with 4.5V~12V logic level drive, can be directly controlled by MCU/PMIC/gate driver, simplifying peripheral circuitry.
Vth=2.4V (typical): Moderate threshold voltage ensures anti-interference capability while allowing full conduction under 4.5V low-voltage drive.
RDS(on)=2.9mΩ @ VGS=10V: Ultra-low on-resistance, minimal full-load conduction loss, significantly reducing device temperature rise and heatsink size.
RDS(on)=3.48mΩ @ VGS=4.5V: Maintains extremely low on-resistance even under low-voltage logic drive, suitable for 5V drive systems.
ID=100A: Ample continuous current capability, easily handles startup and peak current surges of high-power loads.
Package LFPAK56: Low parasitic inductance and thermal resistance, supports high-frequency switching, saves PCB area, and improves system power density.
Domain and module applications：
Server and Telecom Power Supplies: Replaces traditional MOSFETs in synchronous rectification, ultra-low on-resistance improves heavy-load efficiency, reduces thermal stress, suitable for high-density power modules.
Automotive Electrical Systems: 60V voltage rating covers 12V/24V automotive bus transient requirements, 100A high-current capability suitable for main power switches, DC-DC conversion, and motor drives.
Power Tools and Battery Packs: Low internal resistance reduces discharge losses, high current carrying capacity matches high-rate lithium battery protection boards and brushless motor controllers.
Industrial Low-Voltage Motor Drives: Low PWM switching losses and low conduction losses significantly reduce inverter temperature rise, improving system reliability and lifespan.
DC-DC Converters: Power stage design in synchronous buck/boost converters, low voltage drop and high switching speed help achieve higher conversion efficiency and smaller magnetic component size.
Load Switches and Power Distribution: Low power consumption in high-current paths ensures long-term stable operation of hot-swap and smart power distribution systems. Selection Summary: The BUK9Y4R8-60RAX-VB achieves an excellent balance between extremely low on-resistance, high current capability, and the compact LFPAK56 package. It is a flagship universal choice for 60V low-voltage, high-power switching applications, especially suitable for projects with extreme requirements on efficiency, thermal dissipation, and power density.
* 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
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