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STU402D-VB Product details
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1. **STU402D-VB Product Introduction**
**STU402D-VB** is a **dual N-type MOSFET** in **TO252-4L package**. Its main features are **low on-resistance** and **high current carrying capacity**, which is suitable for **efficient power management** and **power conversion** applications. The **drain-source voltage (VDS)** of this MOSFET is **30V**, which can provide efficient and stable current control. Its **maximum drain current (ID)** reaches **32A**, which makes it perform well in high-current applications. **STU402D-VB** adopts **Trench technology** to provide low **RDS(ON)** (respectively **15mΩ** @VGS=4.5V and **9mΩ** @VGS=10V), significantly reducing power consumption and heat loss. This model is suitable for **efficient power conversion, load switching, battery management system** and other fields.
**STU402D-VB** is a **dual N-type MOSFET** in **TO252-4L package**. Its main features are **low on-resistance** and **high current carrying capacity**, which is suitable for **efficient power management** and **power conversion** applications. The **drain-source voltage (VDS)** of this MOSFET is **30V**, which can provide efficient and stable current control. Its **maximum drain current (ID)** reaches **32A**, which makes it perform well in high-current applications. **STU402D-VB** adopts **Trench technology** to provide low **RDS(ON)** (respectively **15mΩ** @VGS=4.5V and **9mΩ** @VGS=10V), significantly reducing power consumption and heat loss. This model is suitable for **efficient power conversion, load switching, battery management system** and other fields.
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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 |
2. **Detailed parameter description**
- **Model**: STU402D-VB
- **Package type**: **TO252-4L** — Using **TO252-4L package**, the package provides better thermal management and current carrying capacity, suitable for high power applications.
- **Configuration**: **Dual-N+N-Channel** — Dual **N-type MOSFET** configuration, suitable for bidirectional current switching and power path control.
- **Drain-source voltage (VDS)**: **30V** — Supports a maximum drain-source voltage of **30V**, suitable for low voltage power supply systems.
- **Gate-source voltage (VGS)**: **±20V** — The gate-source voltage supports a maximum of **±20V**, adapting to various control signals.
- **Threshold voltage (Vth)**: **1.7V** — Starts at a low threshold voltage of **1.7V**, providing higher switching efficiency.
- **On-resistance (RDS(ON))**:
- **15mΩ @ VGS=4.5V**
- **9mΩ @ VGS=10V**
- Extremely low **RDS(ON)** ensures low power consumption and efficient current transfer, suitable for high-performance applications.
- **Maximum drain current (ID)**: **32A** — Supports higher current, suitable for high-load applications, and can achieve stable operation with low conduction loss.
- **Technology type**: **Trench technology** — Adopts **Trench technology** to ensure low on-resistance and higher switching frequency, improving overall energy efficiency.
- **Model**: STU402D-VB
- **Package type**: **TO252-4L** — Using **TO252-4L package**, the package provides better thermal management and current carrying capacity, suitable for high power applications.
- **Configuration**: **Dual-N+N-Channel** — Dual **N-type MOSFET** configuration, suitable for bidirectional current switching and power path control.
- **Drain-source voltage (VDS)**: **30V** — Supports a maximum drain-source voltage of **30V**, suitable for low voltage power supply systems.
- **Gate-source voltage (VGS)**: **±20V** — The gate-source voltage supports a maximum of **±20V**, adapting to various control signals.
- **Threshold voltage (Vth)**: **1.7V** — Starts at a low threshold voltage of **1.7V**, providing higher switching efficiency.
- **On-resistance (RDS(ON))**:
- **15mΩ @ VGS=4.5V**
- **9mΩ @ VGS=10V**
- Extremely low **RDS(ON)** ensures low power consumption and efficient current transfer, suitable for high-performance applications.
- **Maximum drain current (ID)**: **32A** — Supports higher current, suitable for high-load applications, and can achieve stable operation with low conduction loss.
- **Technology type**: **Trench technology** — Adopts **Trench technology** to ensure low on-resistance and higher switching frequency, improving overall energy efficiency.
Domain and module applications：
3. **Application fields and modules**
**STU402D-VB**'s high current capability, low on-resistance and high efficiency make it suitable for multiple high-efficiency power management and power conversion applications. The following are the application fields and modules of this product:
#### a) **Power management system**
This MOSFET is widely used in **power management systems**, especially in applications that require efficient current control and low power consumption. Its **32A** maximum drain current and **low on-resistance** characteristics make it very suitable for use in **DC-DC converters**, **AC-DC power converters**, **battery management systems**, etc., for power path switching and current control.
#### b) **Load switching and power path control**
**STU402D-VB** is suitable for **load switching** and **power path control**, such as in **intelligent power systems**, where switch control and power distribution are achieved through dual N-type configuration. Its **low RDS(ON)** and **high current carrying capacity** can be used for power management in **power tools, power equipment** and **wearable devices**.
#### c) **Electric Vehicles and Battery Management**
In **Battery Management Systems (BMS)** of **Electric Vehicles (EVs)**, **STU402D-VB** can be used as **battery current control switch** to help accurately control battery current during charging and discharging. Its high current capability and low on-resistance make it suitable for **EV charging management** and **battery charge and discharge control**, ensuring that the battery operates in an efficient and safe environment.
#### d) **LED Driver Power Supply**
In **LED Driver Power Supply**, **STU402D-VB** can be used as **current control switch** to support efficient **LED lighting control** and **backlight driving**. Low on-resistance ensures lower power consumption and higher light output efficiency, suitable for various **high brightness LED driver modules**.
#### e) **Power Factor Correction (PFC) Circuit**
**STU402D-VB** can be used in **Power Factor Correction (PFC) circuit**, especially in **AC power adapter** and **energy-saving power supply system**. The MOSFET provides efficient power conversion, reduces power factor mismatch, and improves the energy efficiency of the entire system.
#### f) **Industrial Automation Power Control**
In **industrial automation systems**, **STU402D-VB** can be used as **current switch** and **power path control**, suitable for **motor drive**, **variable frequency drive** and **smart grid** applications. Due to its high current carrying capacity and low on-resistance, it can handle larger power supply systems and is suitable for **industrial automation control systems**.
#### g) **Power Conversion and Battery-Powered Devices**
**STU402D-VB**'s efficient current control and low power consumption make it very suitable for **portable power devices**, **battery-powered modules** and **high-efficiency power converters**. It can help **battery-powered devices** achieve longer use time and higher energy efficiency, and is widely used in **portable electronic products, mobile power devices**, etc.
### Summary
**STU402D-VB** is a **dual N-type MOSFET** in **TO252-4L package** with high efficiency and low power consumption. Its high current capability and low on-resistance make it widely used in **power management, electric vehicles, LED driver power supplies, industrial automation** and other fields. Its **30V** drain-source voltage and **32A** drain current are suitable for handling high current and high power applications, and provide efficient current switching performance through **Trench technology**. This model is an ideal choice for high-efficiency power conversion and power control modules.
**STU402D-VB**'s high current capability, low on-resistance and high efficiency make it suitable for multiple high-efficiency power management and power conversion applications. The following are the application fields and modules of this product:
#### a) **Power management system**
This MOSFET is widely used in **power management systems**, especially in applications that require efficient current control and low power consumption. Its **32A** maximum drain current and **low on-resistance** characteristics make it very suitable for use in **DC-DC converters**, **AC-DC power converters**, **battery management systems**, etc., for power path switching and current control.
#### b) **Load switching and power path control**
**STU402D-VB** is suitable for **load switching** and **power path control**, such as in **intelligent power systems**, where switch control and power distribution are achieved through dual N-type configuration. Its **low RDS(ON)** and **high current carrying capacity** can be used for power management in **power tools, power equipment** and **wearable devices**.
#### c) **Electric Vehicles and Battery Management**
In **Battery Management Systems (BMS)** of **Electric Vehicles (EVs)**, **STU402D-VB** can be used as **battery current control switch** to help accurately control battery current during charging and discharging. Its high current capability and low on-resistance make it suitable for **EV charging management** and **battery charge and discharge control**, ensuring that the battery operates in an efficient and safe environment.
#### d) **LED Driver Power Supply**
In **LED Driver Power Supply**, **STU402D-VB** can be used as **current control switch** to support efficient **LED lighting control** and **backlight driving**. Low on-resistance ensures lower power consumption and higher light output efficiency, suitable for various **high brightness LED driver modules**.
#### e) **Power Factor Correction (PFC) Circuit**
**STU402D-VB** can be used in **Power Factor Correction (PFC) circuit**, especially in **AC power adapter** and **energy-saving power supply system**. The MOSFET provides efficient power conversion, reduces power factor mismatch, and improves the energy efficiency of the entire system.
#### f) **Industrial Automation Power Control**
In **industrial automation systems**, **STU402D-VB** can be used as **current switch** and **power path control**, suitable for **motor drive**, **variable frequency drive** and **smart grid** applications. Due to its high current carrying capacity and low on-resistance, it can handle larger power supply systems and is suitable for **industrial automation control systems**.
#### g) **Power Conversion and Battery-Powered Devices**
**STU402D-VB**'s efficient current control and low power consumption make it very suitable for **portable power devices**, **battery-powered modules** and **high-efficiency power converters**. It can help **battery-powered devices** achieve longer use time and higher energy efficiency, and is widely used in **portable electronic products, mobile power devices**, etc.
### Summary
**STU402D-VB** is a **dual N-type MOSFET** in **TO252-4L package** with high efficiency and low power consumption. Its high current capability and low on-resistance make it widely used in **power management, electric vehicles, LED driver power supplies, industrial automation** and other fields. Its **30V** drain-source voltage and **32A** drain current are suitable for handling high current and high power applications, and provide efficient current switching performance through **Trench technology**. This model is an ideal choice for high-efficiency power conversion and power control modules.
* 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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