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STB70NFS03LT4-VB Product details
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Product Introduction
**STB70NFS03LT4-VB** is a high-efficiency single-channel N-type MOSFET in **TO263** package. Its maximum drain-source voltage is **30V** and its maximum drain current is **98A**, which is suitable for medium and low voltage applications requiring high current and high switching speed. This model adopts **Trench technology** to achieve low on-resistance (**RDS(ON) = 2.7mΩ** at **VGS = 4.5V** and **RDS(ON) = 2.4mΩ** at **VGS = 10V**) and efficient current carrying capacity, which is suitable for high-frequency, low-loss switching power supplies and drive systems.
**STB70NFS03LT4-VB** has a threshold voltage **Vth = 1.7V**, which enables it to turn on quickly at a lower gate-source voltage, optimize the switching speed and improve the efficiency of the system. Due to its excellent current carrying capacity and low on-resistance, it is widely used in various electronic devices requiring low power loss, high efficiency and fast response.
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**STB70NFS03LT4-VB** is a high-efficiency single-channel N-type MOSFET in **TO263** package. Its maximum drain-source voltage is **30V** and its maximum drain current is **98A**, which is suitable for medium and low voltage applications requiring high current and high switching speed. This model adopts **Trench technology** to achieve low on-resistance (**RDS(ON) = 2.7mΩ** at **VGS = 4.5V** and **RDS(ON) = 2.4mΩ** at **VGS = 10V**) and efficient current carrying capacity, which is suitable for high-frequency, low-loss switching power supplies and drive systems.
**STB70NFS03LT4-VB** has a threshold voltage **Vth = 1.7V**, which enables it to turn on quickly at a lower gate-source voltage, optimize the switching speed and improve the efficiency of the system. Due to its excellent current carrying capacity and low on-resistance, it is widely used in various electronic devices requiring low power loss, high efficiency and fast response.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 30V | 1.7V | 98A | 2.4mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 30V | 1.7V | 98A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 30V | 1.7V | 98A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
Detailed parameter description
| **Parameter** | **Value** | **Unit** | **Description** |
|---------------------|---------------------|-------------|--------------------------------------------------------------|
| **Package type** | TO263 | - | Surface mount package, suitable for high power applications, providing excellent heat dissipation performance. |
| **Configuration** | Single channel N type | - | Suitable for high-performance switching applications, providing low on-resistance and high current carrying capacity. |
| **Maximum drain-source voltage (VDS)** | 30V | V | The maximum drain-source voltage is 30V, suitable for low-voltage switching power supplies and drive systems. |
| **Maximum gate-source voltage (VGS)** | ±20V | V | The maximum gate-source voltage is ±20V, suitable for a variety of control circuits. |
| **Threshold voltage (Vth)** | 1.7V | V | A lower threshold voltage helps to increase the switching speed of the system and optimize efficiency. |
| **On-resistance (RDS(ON))** | 2.7mΩ (@VGS=4.5V) | mΩ | Very low on-resistance at 4.5V gate-source voltage, reducing power loss and improving efficiency. |
| **On-resistance (RDS(ON))** | 2.4mΩ (@VGS=10V) | mΩ | Continues to maintain low on-resistance at 10V gate-source voltage to optimize system performance. |
| **Maximum drain current (ID)** | 98A | A | High current carrying capability for high current power conversion applications. |
| **Technology type** | Trench | - | Using Trench technology to provide lower on-resistance and higher switching efficiency. |
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| **Parameter** | **Value** | **Unit** | **Description** |
|---------------------|---------------------|-------------|--------------------------------------------------------------|
| **Package type** | TO263 | - | Surface mount package, suitable for high power applications, providing excellent heat dissipation performance. |
| **Configuration** | Single channel N type | - | Suitable for high-performance switching applications, providing low on-resistance and high current carrying capacity. |
| **Maximum drain-source voltage (VDS)** | 30V | V | The maximum drain-source voltage is 30V, suitable for low-voltage switching power supplies and drive systems. |
| **Maximum gate-source voltage (VGS)** | ±20V | V | The maximum gate-source voltage is ±20V, suitable for a variety of control circuits. |
| **Threshold voltage (Vth)** | 1.7V | V | A lower threshold voltage helps to increase the switching speed of the system and optimize efficiency. |
| **On-resistance (RDS(ON))** | 2.7mΩ (@VGS=4.5V) | mΩ | Very low on-resistance at 4.5V gate-source voltage, reducing power loss and improving efficiency. |
| **On-resistance (RDS(ON))** | 2.4mΩ (@VGS=10V) | mΩ | Continues to maintain low on-resistance at 10V gate-source voltage to optimize system performance. |
| **Maximum drain current (ID)** | 98A | A | High current carrying capability for high current power conversion applications. |
| **Technology type** | Trench | - | Using Trench technology to provide lower on-resistance and higher switching efficiency. |
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Domain and module applications：
Applications and module examples
1. **Switching Power Supplies**
**STB70NFS03LT4-VB** is suitable for switching power supplies (such as DC-DC converters and AC-DC power supplies). Its low on-resistance and high current carrying capacity make it an ideal choice for power conversion systems. Its high switching speed and low power loss characteristics can improve the efficiency of the power supply and reduce the heat loss of the system. It is widely used in computer power supplies, communication power supplies, industrial control systems, etc.
2. **Motor Drives**
This MOSFET is suitable for motor drive applications, especially high-efficiency DC motor drives. Due to the **STB70NFS03LT4-VB**'s high current carrying capacity and low on-resistance, it can provide high-efficiency and low-heat motor drive control in equipment such as power tools, electric vehicles, home appliances and robots. By achieving precise motor speed regulation and power control, it can effectively improve the performance of the motor and system efficiency.
3. **LED Drivers**
**STB70NFS03LT4-VB** can stably provide constant current in LED driver systems to ensure efficient operation of LED lighting systems. Its low on-resistance and high current capability can reduce energy loss and enhance the reliability and stability of the drive circuit. It is suitable for commercial lighting, outdoor lighting and high-efficiency industrial lighting applications.
4. **Battery Management Systems (BMS)**
This MOSFET is suitable for battery charge and discharge control in battery management systems. Due to its high current carrying capacity and low on-resistance, **STB70NFS03LT4-VB** can effectively manage the current flow of the battery, protect the battery from overcurrent damage, and optimize the charging process. It is widely used in battery management modules in electric vehicles, portable devices and energy storage systems.
5. **Smart Home & Automation**
In smart home systems, **STB70NFS03LT4-VB** is used as a switch control element to efficiently control power distribution and regulation. Whether in smart lighting control, HVAC system control, or home energy management, it can provide low power loss and high efficiency. Its excellent performance makes it widely used in various home automation systems to ensure the stability and efficiency of home power systems.
6. **Solar Inverters**
**STB70NFS03LT4-VB** can efficiently convert DC power into AC power in solar inverters. Its low on-resistance and high current carrying capacity enable it to reduce energy loss in the inverter and improve the overall efficiency of the system. It is commonly used in residential and commercial solar energy systems to ensure the efficiency and reliability of power conversion.
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**STB70NFS03LT4-VB** is a high-efficiency MOSFET suitable for multiple fields, especially in switching power supplies, motor drives, LED drives, battery management systems, smart homes and solar inverters. Its low on-resistance and high current carrying capacity make it an ideal choice for power conversion and control systems that require high efficiency and low loss.
1. **Switching Power Supplies**
**STB70NFS03LT4-VB** is suitable for switching power supplies (such as DC-DC converters and AC-DC power supplies). Its low on-resistance and high current carrying capacity make it an ideal choice for power conversion systems. Its high switching speed and low power loss characteristics can improve the efficiency of the power supply and reduce the heat loss of the system. It is widely used in computer power supplies, communication power supplies, industrial control systems, etc.
2. **Motor Drives**
This MOSFET is suitable for motor drive applications, especially high-efficiency DC motor drives. Due to the **STB70NFS03LT4-VB**'s high current carrying capacity and low on-resistance, it can provide high-efficiency and low-heat motor drive control in equipment such as power tools, electric vehicles, home appliances and robots. By achieving precise motor speed regulation and power control, it can effectively improve the performance of the motor and system efficiency.
3. **LED Drivers**
**STB70NFS03LT4-VB** can stably provide constant current in LED driver systems to ensure efficient operation of LED lighting systems. Its low on-resistance and high current capability can reduce energy loss and enhance the reliability and stability of the drive circuit. It is suitable for commercial lighting, outdoor lighting and high-efficiency industrial lighting applications.
4. **Battery Management Systems (BMS)**
This MOSFET is suitable for battery charge and discharge control in battery management systems. Due to its high current carrying capacity and low on-resistance, **STB70NFS03LT4-VB** can effectively manage the current flow of the battery, protect the battery from overcurrent damage, and optimize the charging process. It is widely used in battery management modules in electric vehicles, portable devices and energy storage systems.
5. **Smart Home & Automation**
In smart home systems, **STB70NFS03LT4-VB** is used as a switch control element to efficiently control power distribution and regulation. Whether in smart lighting control, HVAC system control, or home energy management, it can provide low power loss and high efficiency. Its excellent performance makes it widely used in various home automation systems to ensure the stability and efficiency of home power systems.
6. **Solar Inverters**
**STB70NFS03LT4-VB** can efficiently convert DC power into AC power in solar inverters. Its low on-resistance and high current carrying capacity enable it to reduce energy loss in the inverter and improve the overall efficiency of the system. It is commonly used in residential and commercial solar energy systems to ensure the efficiency and reliability of power conversion.
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**STB70NFS03LT4-VB** is a high-efficiency MOSFET suitable for multiple fields, especially in switching power supplies, motor drives, LED drives, battery management systems, smart homes and solar inverters. Its low on-resistance and high current carrying capacity make it an ideal choice for power conversion and control systems that require high efficiency and low loss.
* 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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