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SW4N40DC-VB TO252 Product details
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1. **Product Introduction:**
**SW4N40DC-VB** is a single N-channel MOSFET in a TO252 package, designed for medium voltage power management and switching applications. The maximum drain-source voltage (V_DS) of this MOSFET is 400V, and the gate-source voltage (V_GS) can reach ±20V, which is suitable for applications that need to handle medium voltages. The maximum drain current is 4A, and its on-resistance (R_DS(ON)) is 2100mΩ at V_GS = 10V, which is suitable for low to medium power applications. The design using Plannar technology can ensure relatively stable performance and is suitable for applications that require high voltage tolerance such as switching power supplies, power tools and battery management.
**SW4N40DC-VB** is a single N-channel MOSFET in a TO252 package, designed for medium voltage power management and switching applications. The maximum drain-source voltage (V_DS) of this MOSFET is 400V, and the gate-source voltage (V_GS) can reach ±20V, which is suitable for applications that need to handle medium voltages. The maximum drain current is 4A, and its on-resistance (R_DS(ON)) is 2100mΩ at V_GS = 10V, which is suitable for low to medium power applications. The design using Plannar technology can ensure relatively stable performance and is suitable for applications that require high voltage tolerance such as switching power supplies, power tools and battery management.
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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 | 400V | 3V | 4A | 2100mΩ | Plannar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 400V | 3V | 4A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 400V | 3V | 4A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
2. **Detailed parameter description:**
- **Package type:** TO252
- **Configuration:** Single-N-Channel
- **Maximum drain-source voltage (V_DS):** 400V
- **Gate-source voltage (V_GS):** ±20V
- **Threshold voltage (V_th):** 3V
- **On-resistance (R_DS(ON)):** 2100mΩ (V_GS = 10V)
- **Maximum leakage current (I_D):** 4A
- **Technology:** Plannar technology
- **Package type:** TO252
- **Configuration:** Single-N-Channel
- **Maximum drain-source voltage (V_DS):** 400V
- **Gate-source voltage (V_GS):** ±20V
- **Threshold voltage (V_th):** 3V
- **On-resistance (R_DS(ON)):** 2100mΩ (V_GS = 10V)
- **Maximum leakage current (I_D):** 4A
- **Technology:** Plannar technology
Domain and module applications：
3. **Application fields and module examples:**
**DC-DC converters:**
SW4N40DC-VB is well suited for low-power to medium-power DC-DC converters, especially in applications requiring 400V voltage tolerance. Due to its high on-resistance (R_DS(ON) = 2100mΩ), it can still provide effective current switching under light load conditions. This MOSFET can be used in battery management systems, power conversion for power tools, and power conversion modules in home electronic devices to help improve overall system efficiency.
**Battery Management System (BMS):**
In battery management systems, SW4N40DC-VB can be used for switching control of battery charging and discharging processes. Especially for batteries in the medium voltage range (such as 12V, 24V battery packs), this MOSFET can provide reliable current control to help ensure efficient and safe battery charging and discharging. Its high V_DS (400V) and good switching characteristics make it ideal for various battery management and charging control circuits.
**Power tool power supply:**
For power tools, SW4N40DC-VB provides a reliable MOSFET solution. Due to its high drain-source voltage and maximum drain current, it is suitable for power conversion in various power tool power systems. It can help tools control the power current more efficiently and ensure the stability of the equipment during startup, operation and shutdown.
**Home appliance control system:**
In the power management and control systems of some home appliances, SW4N40DC-VB can be used as a switching element. It plays a role in the power switch and regulation module in home appliances such as rice cookers, microwave ovens, and electric water heaters. The high voltage tolerance and stable performance of MOSFET enable it to effectively control the power conversion process in home appliances and improve the energy efficiency and reliability of home appliances.
**Switching power supply (SMPS):**
In the switching power supply (SMPS), SW4N40DC-VB is suitable for occasions where high voltage tolerance is required, such as power adapters, TV power modules, and other medium voltage switching power supply systems. Its high V_DS and low on-resistance enable it to operate efficiently under a variety of load conditions and provide good energy conversion efficiency.
**Automotive Electronic Systems:**
SW4N40DC-VB is also used in automotive electronics, especially in the charging system and control module of electric vehicles. This MOSFET can effectively handle the current of the car battery and provide efficient power conversion, especially for applications such as electric vehicle charging piles and battery management systems.
Through these applications, SW4N40DC-VB provides high efficiency in medium voltage applications, especially suitable for power conversion, switch control and battery management, which can improve system efficiency while reducing power loss.
**DC-DC converters:**
SW4N40DC-VB is well suited for low-power to medium-power DC-DC converters, especially in applications requiring 400V voltage tolerance. Due to its high on-resistance (R_DS(ON) = 2100mΩ), it can still provide effective current switching under light load conditions. This MOSFET can be used in battery management systems, power conversion for power tools, and power conversion modules in home electronic devices to help improve overall system efficiency.
**Battery Management System (BMS):**
In battery management systems, SW4N40DC-VB can be used for switching control of battery charging and discharging processes. Especially for batteries in the medium voltage range (such as 12V, 24V battery packs), this MOSFET can provide reliable current control to help ensure efficient and safe battery charging and discharging. Its high V_DS (400V) and good switching characteristics make it ideal for various battery management and charging control circuits.
**Power tool power supply:**
For power tools, SW4N40DC-VB provides a reliable MOSFET solution. Due to its high drain-source voltage and maximum drain current, it is suitable for power conversion in various power tool power systems. It can help tools control the power current more efficiently and ensure the stability of the equipment during startup, operation and shutdown.
**Home appliance control system:**
In the power management and control systems of some home appliances, SW4N40DC-VB can be used as a switching element. It plays a role in the power switch and regulation module in home appliances such as rice cookers, microwave ovens, and electric water heaters. The high voltage tolerance and stable performance of MOSFET enable it to effectively control the power conversion process in home appliances and improve the energy efficiency and reliability of home appliances.
**Switching power supply (SMPS):**
In the switching power supply (SMPS), SW4N40DC-VB is suitable for occasions where high voltage tolerance is required, such as power adapters, TV power modules, and other medium voltage switching power supply systems. Its high V_DS and low on-resistance enable it to operate efficiently under a variety of load conditions and provide good energy conversion efficiency.
**Automotive Electronic Systems:**
SW4N40DC-VB is also used in automotive electronics, especially in the charging system and control module of electric vehicles. This MOSFET can effectively handle the current of the car battery and provide efficient power conversion, especially for applications such as electric vehicle charging piles and battery management systems.
Through these applications, SW4N40DC-VB provides high efficiency in medium voltage applications, especially suitable for power conversion, switch control and battery management, which can improve system efficiency while reducing power 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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