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RJK0456DPB-00#J5-VB Product details
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RJK0456DPB-00#J5-VB is a Single N-MOS deeply optimized for low-voltage, high-current power switching applications. Utilizing Trench technology, it balances ultra-low on-resistance with high switching speed. The LFPAK56 package achieves an excellent balance between thermal performance and board footprint. The combination of 40V withstand voltage, 100A current capacity, and 2mΩ-level on-resistance makes it a high-performance core power device for server power supplies, motor drives, and battery management, especially suited for applications with stringent power density and thermal performance requirements.
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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 | 1.4V | 100A | 2.4(mΩ) | 2(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 | 40V | 1.4V | 100A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 1.4V | 100A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N |
VDS=40V: Suitable for 12V/24V/36V systems, provides ample voltage spike margin, significantly reducing avalanche breakdown risk.
VGS=±20V: Compatible with 3.3V~12V logic levels, can directly connect to MCU/PMIC, simplifying drive circuit design.
Vth=1.4V (typical): Enters fully enhanced region with low-voltage drive, supporting stable startup on low-voltage platforms.
RDS(on)=2mΩ @ VGS=10V: Ultra-low on-resistance, extremely low power loss at full load, greatly reducing heat sink area and system temperature rise.
RDS(on)=2.4mΩ @ VGS=4.5V: Maintains very low on-resistance even with low gate drive voltage, suitable for 5V logic drive scenarios.
ID=100A: Ample continuous current margin, handles transient peak surges of high-power loads with ease.
Package LFPAK56: Industry-standard power package, low parasitic inductance, excellent thermal path, supports high-density mounting and high-frequency switching.
Domain and module applications：
Server and Communication Power Supplies: Ultra-low on-resistance significantly improves synchronous rectification efficiency, reduces power stage losses, and supports high power density designs.
Motor Drive Control: High current carrying capacity and low switching losses match PWM high-frequency speed control, resulting in lower driver temperature rise and smoother operation.
Battery Protection and BMS: Milliohm-level resistance reduces protection board self-heating, and fast turn-off ensures reliable protection during short circuit/overcurrent.
DC-DC Converters: Replacing traditional TO-252 devices in synchronous buck/boost topologies can improve full-load efficiency by over 2%, aiding module miniaturization.
Automotive Low-Voltage Loads: 40V withstand voltage compatible with 12V/24V vehicle buses, handling transient overvoltage scenarios like startup and load dump, with high reliability.
Power Tools and Industrial Control: 100A continuous current margin handles stall and impact loads, and LFPAK56 package facilitates compact controller layout.
Consumer Electronics High-Power Fast Charging: Low voltage drop reduces charging path losses, supports high current output, improving charging efficiency and thermal management margin. Selection Summary: RJK0456DPB-00#J5-VB achieves an excellent balance between ultra-low on-resistance, high current capability, and package thermal performance, making it a high-performance universal choice for 40V low-voltage high-current switching applications, especially for power supply and motor control systems with strict requirements on efficiency, power density, and long-term reliability.
* 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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