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STD40NF03LT4-VB Product details
Back to previous pageProduct introduction：
1. Product Introduction
**STD40NF03LT4-VB** is a single N-channel MOSFET in TO252 package with a maximum drain-source voltage of 30V and a maximum drain current of 70A. This product adopts Trench technology and has low on-resistance (RDS(ON)), which is suitable for low-voltage and high-power current control applications. Its threshold voltage is 1.7V, which is suitable for occasions requiring efficient power management and current switching, providing stable power conversion. The low RDS(ON) characteristics of STD40NF03LT4-VB make its efficiency outstanding under high current loads, especially suitable for application scenarios such as power management, drive circuits and power switches.
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**STD40NF03LT4-VB** is a single N-channel MOSFET in TO252 package with a maximum drain-source voltage of 30V and a maximum drain current of 70A. This product adopts Trench technology and has low on-resistance (RDS(ON)), which is suitable for low-voltage and high-power current control applications. Its threshold voltage is 1.7V, which is suitable for occasions requiring efficient power management and current switching, providing stable power conversion. The low RDS(ON) characteristics of STD40NF03LT4-VB make its efficiency outstanding under high current loads, especially suitable for application scenarios such as power management, drive circuits and power switches.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | 7mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
II. Detailed parameter description
| **Parameter** | **Value** | **Description** |
|----------------------|--------------------------------------|------------------------------------------------------------|
| **Package** | TO252 | TO252 package, suitable for surface mounting, with good heat dissipation and electrical performance|
| **Configuration** | Single N-channel | Single N-channel MOSFET configuration, suitable for low voltage current switching and power management applications|
| **VDS** | 30V | Maximum drain-source voltage 30V, suitable for low voltage and high power applications|
| **VGS** | ±20V | Supports ±20V gate-source voltage, suitable for different power driving conditions|
| **Vth** | 1.7V | Threshold voltage is 1.7V, suitable for low voltage startup and precise control applications|
| **RDS(ON)** | 9mΩ@VGS=4.5V, 7mΩ@VGS=10V | Low on-resistance, reduced energy loss, improved power efficiency|
| **ID** | 70A | Maximum drain current of 70A, suitable for current control applications with high current loads|
| **Technology** | Trench | Trench technology for low on-resistance and high current carrying capacity|
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| **Parameter** | **Value** | **Description** |
|----------------------|--------------------------------------|------------------------------------------------------------|
| **Package** | TO252 | TO252 package, suitable for surface mounting, with good heat dissipation and electrical performance|
| **Configuration** | Single N-channel | Single N-channel MOSFET configuration, suitable for low voltage current switching and power management applications|
| **VDS** | 30V | Maximum drain-source voltage 30V, suitable for low voltage and high power applications|
| **VGS** | ±20V | Supports ±20V gate-source voltage, suitable for different power driving conditions|
| **Vth** | 1.7V | Threshold voltage is 1.7V, suitable for low voltage startup and precise control applications|
| **RDS(ON)** | 9mΩ@VGS=4.5V, 7mΩ@VGS=10V | Low on-resistance, reduced energy loss, improved power efficiency|
| **ID** | 70A | Maximum drain current of 70A, suitable for current control applications with high current loads|
| **Technology** | Trench | Trench technology for low on-resistance and high current carrying capacity|
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Domain and module applications：
3. Application fields and module examples
1. **Power management system**
**DC-DC converter**: STD40NF03LT4-VB is commonly used in low-voltage, high-efficiency DC-DC power converters. Due to its low RDS(ON) and high current carrying capacity, it can maintain high efficiency and low power consumption when performing voltage conversion, and is particularly suitable for battery-powered portable devices and low-voltage power modules.
**AC-DC power supply**: In AC-DC converters, STD40NF03LT4-VB can achieve efficient power conversion. Its low on-resistance and high current capability enable it to handle large loads and provide stable and reliable output power, which is widely used in industrial equipment and home appliance power management.
2. **Power switch control**
**Motor drive**: In motor drive circuits, STD40NF03LT4-VB is used in switching power supplies and motor control systems, especially those applications that require high-power switching and stable current control. MOSFET's low RDS(ON) characteristics can reduce switching losses and improve drive efficiency, and are widely used in drive systems such as power tools and household appliances.
**DC Motor Control**: This MOSFET can effectively regulate current and control the speed and power of DC motors, making it play an important role in automated control systems, especially in robots, automated production lines, and vehicle drive systems.
3. **Automotive Electronic Systems**
**Electronic Vehicle Battery Management System (BMS)**: In the battery management system of electric vehicles, STD40NF03LT4-VB is used for battery charging and discharging control to ensure that the battery operates within a safe voltage range. The high current carrying capacity and low on-resistance of this MOSFET can optimize the battery's energy management system and improve the overall efficiency of electric vehicles.
**Automotive Electronic Control Unit (ECU)**: In automotive electronic control units, STD40NF03LT4-VB can be used for efficient power switching and control to ensure the stable operation of vehicle electronic systems.
4. **Industrial control systems**
**Switching power supply**: In industrial switching power supply modules, the STD40NF03LT4-VB is suitable for high current conversion applications. Its low RDS(ON) and high current capability make it an ideal choice for high power power modules.
**Automation equipment power management**: The STD40NF03LT4-VB is also widely used in power management systems for automation equipment. It can efficiently manage power conversion and ensure efficient operation of equipment under different load conditions. It is commonly found in robots, transmission systems, and control equipment.
5. **Consumer electronics**
**Smartphone and laptop power management**: The STD40NF03LT4-VB is widely used in power management modules for smartphones, laptops, and other portable devices. Its low on-resistance and high current handling capability enable these devices to efficiently charge and manage power, optimize battery life, and improve energy efficiency.
**LED drive circuit**: This MOSFET is suitable for LED lighting control systems, and can efficiently control current to ensure stable light emission of LED light sources. Its low RDS(ON) characteristics help reduce power loss and improve system efficiency, and are commonly used in home and commercial lighting systems.
In summary, the STD40NF03LT4-VB is suitable for a wide range of low-voltage, high-power applications, including DC-DC converters, AC-DC power supplies, motor drives, battery management, industrial control systems, and consumer electronics. Its low on-resistance, high current carrying capacity, and excellent power management characteristics make it an ideal choice for modern power management systems and control circuits.
1. **Power management system**
**DC-DC converter**: STD40NF03LT4-VB is commonly used in low-voltage, high-efficiency DC-DC power converters. Due to its low RDS(ON) and high current carrying capacity, it can maintain high efficiency and low power consumption when performing voltage conversion, and is particularly suitable for battery-powered portable devices and low-voltage power modules.
**AC-DC power supply**: In AC-DC converters, STD40NF03LT4-VB can achieve efficient power conversion. Its low on-resistance and high current capability enable it to handle large loads and provide stable and reliable output power, which is widely used in industrial equipment and home appliance power management.
2. **Power switch control**
**Motor drive**: In motor drive circuits, STD40NF03LT4-VB is used in switching power supplies and motor control systems, especially those applications that require high-power switching and stable current control. MOSFET's low RDS(ON) characteristics can reduce switching losses and improve drive efficiency, and are widely used in drive systems such as power tools and household appliances.
**DC Motor Control**: This MOSFET can effectively regulate current and control the speed and power of DC motors, making it play an important role in automated control systems, especially in robots, automated production lines, and vehicle drive systems.
3. **Automotive Electronic Systems**
**Electronic Vehicle Battery Management System (BMS)**: In the battery management system of electric vehicles, STD40NF03LT4-VB is used for battery charging and discharging control to ensure that the battery operates within a safe voltage range. The high current carrying capacity and low on-resistance of this MOSFET can optimize the battery's energy management system and improve the overall efficiency of electric vehicles.
**Automotive Electronic Control Unit (ECU)**: In automotive electronic control units, STD40NF03LT4-VB can be used for efficient power switching and control to ensure the stable operation of vehicle electronic systems.
4. **Industrial control systems**
**Switching power supply**: In industrial switching power supply modules, the STD40NF03LT4-VB is suitable for high current conversion applications. Its low RDS(ON) and high current capability make it an ideal choice for high power power modules.
**Automation equipment power management**: The STD40NF03LT4-VB is also widely used in power management systems for automation equipment. It can efficiently manage power conversion and ensure efficient operation of equipment under different load conditions. It is commonly found in robots, transmission systems, and control equipment.
5. **Consumer electronics**
**Smartphone and laptop power management**: The STD40NF03LT4-VB is widely used in power management modules for smartphones, laptops, and other portable devices. Its low on-resistance and high current handling capability enable these devices to efficiently charge and manage power, optimize battery life, and improve energy efficiency.
**LED drive circuit**: This MOSFET is suitable for LED lighting control systems, and can efficiently control current to ensure stable light emission of LED light sources. Its low RDS(ON) characteristics help reduce power loss and improve system efficiency, and are commonly used in home and commercial lighting systems.
In summary, the STD40NF03LT4-VB is suitable for a wide range of low-voltage, high-power applications, including DC-DC converters, AC-DC power supplies, motor drives, battery management, industrial control systems, and consumer electronics. Its low on-resistance, high current carrying capacity, and excellent power management characteristics make it an ideal choice for modern power management systems and control circuits.
* 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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