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STU408D-VB Product details
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**Product Introduction: STU408D-VB**
STU408D-VB is a high-performance dual N-type MOSFET in TO252-4L package, suitable for a variety of low voltage, high current applications. The device has a maximum drain-source voltage (VDS) of 30V, a gate-source threshold voltage (Vth) of 1.7V, and a very low on-resistance (RDS(ON)). At VGS=4.5V, RDS(ON) is 15mΩ, and at VGS=10V, RDS(ON) is lower to 9mΩ, with a maximum leakage current of 32A. STU408D-VB uses Trench technology to provide excellent performance under high current and low voltage conditions and effectively reduce power loss. Its high efficiency characteristics make it widely used in high-efficiency switching applications such as power management, motor drive, and battery protection.
STU408D-VB is a high-performance dual N-type MOSFET in TO252-4L package, suitable for a variety of low voltage, high current applications. The device has a maximum drain-source voltage (VDS) of 30V, a gate-source threshold voltage (Vth) of 1.7V, and a very low on-resistance (RDS(ON)). At VGS=4.5V, RDS(ON) is 15mΩ, and at VGS=10V, RDS(ON) is lower to 9mΩ, with a maximum leakage current of 32A. STU408D-VB uses Trench technology to provide excellent performance under high current and low voltage conditions and effectively reduce power loss. Its high efficiency characteristics make it widely used in high-efficiency switching applications such as power management, motor drive, and battery protection.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252-4L | Dual-N+N | 30V | 1.7V | 32A | 9mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Dual-N+N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Dual-N+N | 30V | 1.7V | 32A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Dual-N+N | 30V | 1.7V | 32A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252-4L | Dual-N+N |
**Detailed parameter description: **
- **Model**: STU408D-VB
- **Package type**: TO252-4L
- **Configuration**: Dual N-type MOSFET (N+N-Channel)
- **Maximum drain-source voltage (VDS)**: 30V
- **Maximum gate-source voltage (VGS)**: ±20V
- **Gate-source threshold voltage (Vth)**: 1.7V
- **On-resistance (RDS(ON))**:
- RDS(ON) @ VGS=4.5V: 15mΩ
- RDS(ON) @ VGS=10V: 9mΩ
- **Maximum leakage current (ID)**: 32A
- **Maximum power dissipation (Ptot)**: About 60W (depending on operating conditions)
- **Operating temperature range**: -55°C to +150°C
- **Technology type**: Trench technology
- **Package structure**: TO252-4L (three pins + one independent source connection)
- **Model**: STU408D-VB
- **Package type**: TO252-4L
- **Configuration**: Dual N-type MOSFET (N+N-Channel)
- **Maximum drain-source voltage (VDS)**: 30V
- **Maximum gate-source voltage (VGS)**: ±20V
- **Gate-source threshold voltage (Vth)**: 1.7V
- **On-resistance (RDS(ON))**:
- RDS(ON) @ VGS=4.5V: 15mΩ
- RDS(ON) @ VGS=10V: 9mΩ
- **Maximum leakage current (ID)**: 32A
- **Maximum power dissipation (Ptot)**: About 60W (depending on operating conditions)
- **Operating temperature range**: -55°C to +150°C
- **Technology type**: Trench technology
- **Package structure**: TO252-4L (three pins + one independent source connection)
Domain and module applications：
**Application fields and module examples:**
1. **Power management and DC-DC converter**:
STU408D-VB is very suitable for power management systems, especially in high-efficiency DC-DC converters, due to its low RDS(ON) characteristics (9mΩ @ VGS=10V) and high current carrying capacity (maximum 32A). It can be used in various power conversion applications, such as battery management, LED driver power supply, communication power supply, etc., to ensure efficient current conversion and reduce power loss.
2. **Motor drive system**:
STU408D-VB can be used in motor drive applications, especially in situations where high current and high efficiency are required. This MOSFET can drive DC motors, power tools and other industrial motors. In motor drives, due to its low RDS(ON), it can significantly reduce the heat caused by conduction losses and improve the efficiency and reliability of the system.
3. **Battery Protection and Battery Management System (BMS)**:
In the battery management system (BMS), the STU408D-VB can be used for efficient battery current control. It can carry a maximum current of 32A and maintain a low on-resistance under high-frequency switching conditions, reducing power losses in the system and increasing battery life. This MOSFET is an ideal choice for electric vehicles, power tools, or other applications that require efficient charging and discharging control.
4. **Smart Home and IoT Devices**:
STU408D-VB can be used in power management systems in smart home devices and IoT modules. For example, it can be used as a power switch and regulation element in smart sockets, LED lighting controls, home appliances, and other devices. Its low RDS(ON) characteristics help reduce the power consumption of the system and increase the battery life of the device.
5. **High-efficiency Load Switch**:
STU408D-VB is very suitable for use as a high-power load switch due to its excellent current carrying capacity and low power loss. Whether it is a switching power supply in industrial applications, a server power system, or load switching in an automotive power control system, the STU408D-VB can provide efficient and stable switching performance under high current loads.
6. **Automotive Electronics and Electric Vehicles (EV)**:
In electric vehicles (EVs), the STU408D-VB is suitable for use as a power switching element in an electric vehicle battery management system. It can efficiently control the switching of battery current, ensure stable system operation, and effectively reduce energy loss. In the drive circuit, charging circuit, and battery protection circuit of an electric vehicle, this MOSFET can provide excellent performance.
1. **Power management and DC-DC converter**:
STU408D-VB is very suitable for power management systems, especially in high-efficiency DC-DC converters, due to its low RDS(ON) characteristics (9mΩ @ VGS=10V) and high current carrying capacity (maximum 32A). It can be used in various power conversion applications, such as battery management, LED driver power supply, communication power supply, etc., to ensure efficient current conversion and reduce power loss.
2. **Motor drive system**:
STU408D-VB can be used in motor drive applications, especially in situations where high current and high efficiency are required. This MOSFET can drive DC motors, power tools and other industrial motors. In motor drives, due to its low RDS(ON), it can significantly reduce the heat caused by conduction losses and improve the efficiency and reliability of the system.
3. **Battery Protection and Battery Management System (BMS)**:
In the battery management system (BMS), the STU408D-VB can be used for efficient battery current control. It can carry a maximum current of 32A and maintain a low on-resistance under high-frequency switching conditions, reducing power losses in the system and increasing battery life. This MOSFET is an ideal choice for electric vehicles, power tools, or other applications that require efficient charging and discharging control.
4. **Smart Home and IoT Devices**:
STU408D-VB can be used in power management systems in smart home devices and IoT modules. For example, it can be used as a power switch and regulation element in smart sockets, LED lighting controls, home appliances, and other devices. Its low RDS(ON) characteristics help reduce the power consumption of the system and increase the battery life of the device.
5. **High-efficiency Load Switch**:
STU408D-VB is very suitable for use as a high-power load switch due to its excellent current carrying capacity and low power loss. Whether it is a switching power supply in industrial applications, a server power system, or load switching in an automotive power control system, the STU408D-VB can provide efficient and stable switching performance under high current loads.
6. **Automotive Electronics and Electric Vehicles (EV)**:
In electric vehicles (EVs), the STU408D-VB is suitable for use as a power switching element in an electric vehicle battery management system. It can efficiently control the switching of battery current, ensure stable system operation, and effectively reduce energy loss. In the drive circuit, charging circuit, and battery protection circuit of an electric vehicle, this MOSFET can provide excellent performance.
* 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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