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STD4NS25-1-VB Product details
Back to previous pageProduct introduction：
1. Product Introduction
**STD4NS25-1-VB** is a single N-channel power MOSFET in TO251 package, suitable for high-efficiency switching power supplies and power management applications. The maximum drain-source voltage of this MOSFET is 250V, the maximum drain current is 3.8A, and it uses Trench technology with low on-resistance. Its threshold voltage is 3V, and it can operate stably under low voltage conditions. Through the low RDS(ON) value, this MOSFET can significantly reduce switching losses and heat generation, and is suitable for a variety of high-efficiency power supplies, drive circuits and industrial control applications.
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**STD4NS25-1-VB** is a single N-channel power MOSFET in TO251 package, suitable for high-efficiency switching power supplies and power management applications. The maximum drain-source voltage of this MOSFET is 250V, the maximum drain current is 3.8A, and it uses Trench technology with low on-resistance. Its threshold voltage is 3V, and it can operate stably under low voltage conditions. Through the low RDS(ON) value, this MOSFET can significantly reduce switching losses and heat generation, and is suitable for a variety of high-efficiency power supplies, drive circuits and industrial control applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 250V | 3V | 3.8A | 1100mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 250V | 3V | 3.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 250V | 3V | 3.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N |
II. Detailed parameter description
| **Parameter** | **Value** | **Description** |
|----------------------|--------------------------------------|------------------------------------------------------------|
| **Package** | TO251 | TO251 package, suitable for surface mounting, with good heat dissipation and electrical performance|
| **Configuration** | Single N-channel | Single N-channel MOSFET configuration, suitable for switch control and power management applications|
| **VDS** | 250V | Maximum drain-source voltage 250V, suitable for medium voltage power switch and drive circuit|
| **VGS** | ±20V | Supports gate-source voltage of ±20V, adapting to various power drive conditions|
| **Vth** | 3V | Threshold voltage is 3V, suitable for low voltage startup and precise control|
| **RDS(ON)** | 1100mΩ@VGS=10V | Low on-resistance, reduced power loss and switching loss, optimized switching efficiency|
| **ID** | 3.8A | Maximum drain current is 3.8A, suitable for small and medium power applications|
| **Technology** | Trench | Trench technology is used to optimize the current carrying capacity and conduction characteristics of the device|
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| **Parameter** | **Value** | **Description** |
|----------------------|--------------------------------------|------------------------------------------------------------|
| **Package** | TO251 | TO251 package, suitable for surface mounting, with good heat dissipation and electrical performance|
| **Configuration** | Single N-channel | Single N-channel MOSFET configuration, suitable for switch control and power management applications|
| **VDS** | 250V | Maximum drain-source voltage 250V, suitable for medium voltage power switch and drive circuit|
| **VGS** | ±20V | Supports gate-source voltage of ±20V, adapting to various power drive conditions|
| **Vth** | 3V | Threshold voltage is 3V, suitable for low voltage startup and precise control|
| **RDS(ON)** | 1100mΩ@VGS=10V | Low on-resistance, reduced power loss and switching loss, optimized switching efficiency|
| **ID** | 3.8A | Maximum drain current is 3.8A, suitable for small and medium power applications|
| **Technology** | Trench | Trench technology is used to optimize the current carrying capacity and conduction characteristics of the device|
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Domain and module applications：
3. Application fields and module examples
1. **Switching power supply (SMPS)**
**DC-DC converter**: STD4NS25-1-VB is suitable for DC-DC converters, especially in medium voltage range (such as 24V to 250V). Its low on-resistance characteristic helps to reduce power loss and improve the conversion efficiency of the system. It is suitable for portable devices, battery-powered systems and other fields.
**AC-DC adapter**: In AC-DC adapters, STD4NS25-1-VB can be used for power switches to provide stable current and voltage outputs. It is widely used in consumer electronic products such as mobile phone chargers and power adapters.
2. **Motor drive circuit**
**Stepper motor drive**: In stepper motor drive circuits, STD4NS25-1-VB can be used as a switching element to control the drive current of the motor to ensure the stability and efficiency of the motor operation. Its high-efficiency conduction characteristics can reduce energy loss in motor drive circuits.
**Brushless DC Motor (BLDC) Drive**: This MOSFET can also be used in the drive circuit of a brushless DC motor. By providing stable power control, it helps the motor start and run smoothly. It is used in industrial automation, home appliances, and power tools.
3. **Battery Management System (BMS)**
**Electric Vehicle (EV) Battery Management**: In the battery management system (BMS) of an electric vehicle, the STD4NS25-1-VB can be used to control the battery charge and discharge process. Its withstand voltage and conduction performance meet the current regulation requirements of high-voltage batteries in electric vehicles, providing efficient current control and energy transmission.
**Energy Storage System**: In medium-sized energy storage systems, the STD4NS25-1-VB can be used as a switching element to manage the battery charge and discharge process, ensuring that the battery works efficiently within a safe voltage range, and is suitable for home and commercial energy storage equipment.
4. **LED drive circuit**
**LED power management**: STD4NS25-1-VB is suitable for LED lighting power systems to control LED drive current and optimize power loss. Due to its low on-resistance, it can effectively reduce switching losses and ensure efficient and stable operation of LED lamps.
**Intelligent lighting system**: This MOSFET can be used in intelligent lighting systems to provide precise current control and stable voltage output for LED modules, and is widely used in commercial and home lighting fields.
5. **Industrial control system**
**Sensor control and current regulation**: In industrial automation and sensor control systems, STD4NS25-1-VB can be used for efficient current regulation and switch control. Its high conductivity and low switching loss enable it to provide stable current output in precision control systems.
**Industrial control equipment power module**: STD4NS25-1-VB is suitable for power modules in industrial equipment, helping to provide efficient power conversion and reduce heat loss. It is suitable for PLC control systems, power management modules for automated robots, etc.
6. **Consumer Electronic Devices**
**Battery-Powered Devices**: In portable battery-powered devices, the STD4NS25-1-VB can effectively manage the battery charge and discharge process, optimize battery life, and provide efficient power control. It is suitable for consumer electronic products such as digital cameras, handheld tools, and wireless devices.
**Portable Power Adapter**: This MOSFET can be used in portable power adapters. Through stable switching control, it ensures that the device provides constant voltage and current during use. It is widely used in consumer electronic devices such as laptops and electric shavers.
In summary, the STD4NS25-1-VB has a wide range of application prospects. It is suitable for high-efficiency switching power supplies, motor drives, LED drives, battery management systems, industrial control systems, and other fields, especially for medium-voltage power supplies and power management applications. Its low RDS(ON), high-efficiency conduction performance, and stable current control characteristics make it perform well in power conversion and energy management applications.
1. **Switching power supply (SMPS)**
**DC-DC converter**: STD4NS25-1-VB is suitable for DC-DC converters, especially in medium voltage range (such as 24V to 250V). Its low on-resistance characteristic helps to reduce power loss and improve the conversion efficiency of the system. It is suitable for portable devices, battery-powered systems and other fields.
**AC-DC adapter**: In AC-DC adapters, STD4NS25-1-VB can be used for power switches to provide stable current and voltage outputs. It is widely used in consumer electronic products such as mobile phone chargers and power adapters.
2. **Motor drive circuit**
**Stepper motor drive**: In stepper motor drive circuits, STD4NS25-1-VB can be used as a switching element to control the drive current of the motor to ensure the stability and efficiency of the motor operation. Its high-efficiency conduction characteristics can reduce energy loss in motor drive circuits.
**Brushless DC Motor (BLDC) Drive**: This MOSFET can also be used in the drive circuit of a brushless DC motor. By providing stable power control, it helps the motor start and run smoothly. It is used in industrial automation, home appliances, and power tools.
3. **Battery Management System (BMS)**
**Electric Vehicle (EV) Battery Management**: In the battery management system (BMS) of an electric vehicle, the STD4NS25-1-VB can be used to control the battery charge and discharge process. Its withstand voltage and conduction performance meet the current regulation requirements of high-voltage batteries in electric vehicles, providing efficient current control and energy transmission.
**Energy Storage System**: In medium-sized energy storage systems, the STD4NS25-1-VB can be used as a switching element to manage the battery charge and discharge process, ensuring that the battery works efficiently within a safe voltage range, and is suitable for home and commercial energy storage equipment.
4. **LED drive circuit**
**LED power management**: STD4NS25-1-VB is suitable for LED lighting power systems to control LED drive current and optimize power loss. Due to its low on-resistance, it can effectively reduce switching losses and ensure efficient and stable operation of LED lamps.
**Intelligent lighting system**: This MOSFET can be used in intelligent lighting systems to provide precise current control and stable voltage output for LED modules, and is widely used in commercial and home lighting fields.
5. **Industrial control system**
**Sensor control and current regulation**: In industrial automation and sensor control systems, STD4NS25-1-VB can be used for efficient current regulation and switch control. Its high conductivity and low switching loss enable it to provide stable current output in precision control systems.
**Industrial control equipment power module**: STD4NS25-1-VB is suitable for power modules in industrial equipment, helping to provide efficient power conversion and reduce heat loss. It is suitable for PLC control systems, power management modules for automated robots, etc.
6. **Consumer Electronic Devices**
**Battery-Powered Devices**: In portable battery-powered devices, the STD4NS25-1-VB can effectively manage the battery charge and discharge process, optimize battery life, and provide efficient power control. It is suitable for consumer electronic products such as digital cameras, handheld tools, and wireless devices.
**Portable Power Adapter**: This MOSFET can be used in portable power adapters. Through stable switching control, it ensures that the device provides constant voltage and current during use. It is widely used in consumer electronic devices such as laptops and electric shavers.
In summary, the STD4NS25-1-VB has a wide range of application prospects. It is suitable for high-efficiency switching power supplies, motor drives, LED drives, battery management systems, industrial control systems, and other fields, especially for medium-voltage power supplies and power management applications. Its low RDS(ON), high-efficiency conduction performance, and stable current control characteristics make it perform well in power conversion and energy management applications.
* 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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