Product introduction：
1. Product Introduction
**SM4031NHKP-VB** is a high-performance N-Channel MOSFET in a DFN8 (5x6) package, designed for high-efficiency, high-current switching and power management applications. With a maximum drain-source voltage (VDS) of 40V and a maximum drain current (ID) of 120A, this MOSFET is suitable for high-power, high-efficiency power management and switching circuits. It uses advanced Trench technology and has a very low on-resistance (RDS(ON)), which is 2mΩ at VGS=10V, which can significantly reduce power losses and improve the overall efficiency of the system.
**SM4031NHKP-VB** is particularly suitable for applications that require high current handling, high power conversion, and high-frequency switching. Its excellent conduction performance makes it an ideal choice for power converters, drive circuits, electric vehicles (EVs), and industrial automation.
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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 |
|
3V |
120A |
|
|
2mΩ |
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 |
|
3V |
120A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| DFN8(5X6) |
Single-N |
40V |
|
3V |
120A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| DFN8(5X6) |
Single-N |
|
|
|
|
|
|
|
2. Detailed parameter description
| **Parameter** | **Description** |
|-----------------------|-----------------------------------------------------|
| **Package** | DFN8(5x6) |
| **Configuration** | Unipolar N-Channel |
| **VDS (Drain-Source Voltage)** | 40V |
| **VGS (Gate-Source Voltage)** | ±20V |
| **Vth (Threshold Voltage)** | 3V |
| **RDS(ON) (On-Resistance)** | 2mΩ (at VGS=10V) |
| **ID (Drain Current)** | 120A |
| **Technology** | Trench |
- **VDS (Drain-Source Voltage)**: Maximum 40V, suitable for medium and low voltage power conversion and switching applications, can provide sufficient voltage carrying capacity, suitable for a variety of power management and drive circuits.
- **VGS (gate-source voltage)**: Supports gate voltage of ±20V, is compatible with a variety of driving requirements, and is suitable for various power supply circuits and switching applications.
- **Vth (threshold voltage)**: The threshold voltage is 3V. The lower threshold voltage enables the MOSFET to turn on quickly at a lower gate voltage, thereby improving switching speed and efficiency.
- **RDS(ON) (on-resistance)**: The on-resistance of this MOSFET is 2mΩ when VGS=10V. It has an extremely low on-resistance, effectively reduces power loss, and is particularly suitable for high-current, high-frequency switching circuits.
- **ID (drain current)**: The maximum drain current is 120A, which can carry large current. It is very suitable for applications that require high-power and high-current control, and can provide stable switching performance.
Domain and module applications：
3. Applicable fields and modules
**SM4031NHKP-VB** Due to its excellent current carrying capacity and low on-resistance, it is suitable for multiple high-efficiency application fields. The following are some typical application examples:
- **Power Management Systems**: SM4031NHKP-VB is suitable for power converters and power management modules such as DC-DC converters, AC-DC power supplies and UPS (uninterruptible power supply) systems. Low RDS(ON) and high current capability can significantly improve power conversion efficiency and reduce energy loss, and is suitable for high-efficiency power systems.
- **Electric Vehicles (EV) and Battery Management Systems (BMS)**: This MOSFET can carry currents up to 120A, which is very suitable for electric vehicles (such as electric vehicles, electric motorcycles) and battery management systems (BMS). It can effectively control the charging and discharging process of the battery and improve the efficiency and reliability of the system.
- **Industrial Drive Circuits**: The SM4031NHKP-VB is ideal for motor drives, actuators, and other high-power loads. Its high current capability and low on-resistance enable it to handle high-frequency switching and high-power loads, making it ideal for drive modules in industrial automation and robotics.
- **LED Driver Power Supplies**: This MOSFET provides efficient current control and is widely used in LED driver power supplies. By reducing power losses, it can extend the life of LED modules and improve the overall energy efficiency of the system, making it suitable for commercial lighting, stage lighting, and outdoor lighting.
- **Power Conversion and Distribution Systems**: In power conversion and distribution systems, the SM4031NHKP-VB can be used for high-frequency, high-efficiency power conversion applications such as power conditioning, switching power supplies, etc. Its high current capability and low on-resistance make it particularly suitable for high-power power conversion modules and power distribution systems.
- **Data Center Power Supply**: The SM4031NHKP-VB can be used for power management in data centers to provide efficient and stable power distribution. Its low power loss characteristics help improve the energy efficiency of data centers, reduce the overall energy consumption of the system, and extend the service life of equipment.
- **Renewable Energy Systems**: In renewable energy applications such as solar inverters and wind power generation systems, the SM4031NHKP-VB can be used as a switching element to control the conversion and distribution of electrical energy. Its high current carrying capacity and low loss characteristics make it an ideal choice for improving the efficiency of renewable energy systems.
* 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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