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SW4N50K-VB TO251 Product details
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1. **SW4N50K-VB Product Introduction**
SW4N50K-VB is a high voltage N-Channel MOSFET in TO251 package, suitable for applications requiring high withstand voltage and medium current carrying capacity. With a drain-source voltage (VDS) of up to 500V and a maximum drain current (ID) of 7A, this MOSFET is suitable for switching applications in high voltage power management systems. Its gate-source voltage (VGS) range is ±30V and the threshold voltage (Vth) is 3.5V, ensuring excellent switching performance and high efficiency. SW4N50K-VB uses SJ_Multi-EPI technology, which significantly reduces the on-resistance (RDS(ON) = 550mΩ @ VGS = 10V) by optimizing the multi-layer structure, and improves the switching frequency and efficiency, enabling it to perform well in various power supply and power conversion applications.
SW4N50K-VB is a high voltage N-Channel MOSFET in TO251 package, suitable for applications requiring high withstand voltage and medium current carrying capacity. With a drain-source voltage (VDS) of up to 500V and a maximum drain current (ID) of 7A, this MOSFET is suitable for switching applications in high voltage power management systems. Its gate-source voltage (VGS) range is ±30V and the threshold voltage (Vth) is 3.5V, ensuring excellent switching performance and high efficiency. SW4N50K-VB uses SJ_Multi-EPI technology, which significantly reduces the on-resistance (RDS(ON) = 550mΩ @ VGS = 10V) by optimizing the multi-layer structure, and improves the switching frequency and efficiency, enabling it to perform well in various power supply and power conversion 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 | 500V | 3.5V | 7A | 550mΩ | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 500V | 3.5V | 7A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 500V | 3.5V | 7A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N |
2. **SW4N50K-VB detailed parameter description**
- **Package type**: TO251
- **Configuration**: Single-N-Channel
- **Drain-source voltage (VDS)**: 500V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**: 550mΩ @ VGS = 10V
- **Maximum continuous leakage current (ID)**: 7A
- **Maximum power consumption**: About 14.7W (estimated based on on-resistance and maximum current, can be calculated for specific applications)
- **Technology type**: SJ_Multi-EPI
- **Operating temperature range**: -55°C to +150°C
- **Reverse recovery characteristics**: Optimized switching characteristics, suitable for high frequency applications
- **Package type**: TO251
- **Configuration**: Single-N-Channel
- **Drain-source voltage (VDS)**: 500V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**: 550mΩ @ VGS = 10V
- **Maximum continuous leakage current (ID)**: 7A
- **Maximum power consumption**: About 14.7W (estimated based on on-resistance and maximum current, can be calculated for specific applications)
- **Technology type**: SJ_Multi-EPI
- **Operating temperature range**: -55°C to +150°C
- **Reverse recovery characteristics**: Optimized switching characteristics, suitable for high frequency applications
Domain and module applications：
3. **Application fields and module examples of SW4N50K-VB**
- **Power supply and power conversion modules**
SW4N50K-VB is mainly used in power converters and power management modules in the medium voltage range. Due to its 500V withstand voltage and 7A current carrying capacity, it is suitable for **DC-DC converters**, **AC-DC power adapters** and **power factor correction (PFC) circuits**. The low on-resistance (RDS(ON) = 550mΩ) can effectively reduce power loss, improve power conversion efficiency and reduce heat generation.
**Application examples**: In medium-power power adapters, LED driver power supplies and solar inverters, SW4N50K-VB can be used as a switching element to regulate current and voltage to ensure efficient energy conversion.
- **Power Tools and Home Appliances**
In power tools and home appliances, the SW4N50K-VB is often used in **motor drive systems** and **load switches**. Its high voltage withstand capability and medium current capacity make it an ideal choice for these applications. The low on-resistance of the MOSFET ensures efficient power transmission and reduces energy loss in the motor or other loads.
**Application example**: In the motor control system of power tools, the SW4N50K-VB is used to control the switching operation of the motor to achieve precise speed and power regulation.
- **Industrial Automation and Motor Control**
The SW4N50K-VB is suitable for the field of industrial automation, especially in **motor drives**, **load control** and **speed control systems**. Its high voltage withstand performance enables it to withstand higher voltages in industrial equipment and stably transmit large currents.
**Application examples**: In the motor control system of the automated production line, SW4N50K-VB can be used as a switching element to adjust the motor current and ensure the efficient operation of the motor under different loads.
- **New Energy Vehicles and Battery Management Systems (BMS)**
SW4N50K-VB is also widely used in **electric vehicle charging systems** and **battery management systems (BMS)**, especially in power conditioning modules that require high voltage conversion and medium current. Its excellent switching performance and high voltage tolerance enable it to effectively control the current and voltage during battery charging and protect the battery from damage caused by overcharging or over-discharging.
**Application examples**: In electric vehicle battery chargers, SW4N50K-VB is used to adjust the current and voltage to ensure safe battery charging and optimize the charging speed.
- **High-efficiency LED lighting and drive circuits**
The high voltage tolerance and low on-resistance of SW4N50K-VB make it suitable for **LED driver power supplies**, especially high-power LED lighting systems. Through efficient current regulation, SW4N50K-VB can improve the efficiency of LED driver power supply, extend the service life of LED lamps, and reduce energy loss.
**Application example**: In the power supply modules of commercial lighting and industrial lighting, SW4N50K-VB is used to provide stable current to LEDs, ensuring their efficient operation and maintaining stable output for a long time.
- **Power factor correction (PFC) circuit**
SW4N50K-VB is used as a switching element in the power factor correction circuit to improve the power factor of the system and reduce power loss. Its fast switching characteristics and high voltage capability make it excellent in AC-DC conversion.
**Application example**: In the PFC circuits of high-power power adapters and large electrical equipment, SW4N50K-VB is used to control the current waveform and optimize the power factor to improve the overall efficiency of the power supply.
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SW4N50K-VB is a high voltage, medium current MOSFET, which is widely used in power management, motor control, power tools, home appliances, LED drivers and new energy vehicles. With its high voltage tolerance and low on-resistance, this MOSFET can efficiently control current and reduce energy loss, making it an ideal switching element in high-efficiency power systems.
- **Power supply and power conversion modules**
SW4N50K-VB is mainly used in power converters and power management modules in the medium voltage range. Due to its 500V withstand voltage and 7A current carrying capacity, it is suitable for **DC-DC converters**, **AC-DC power adapters** and **power factor correction (PFC) circuits**. The low on-resistance (RDS(ON) = 550mΩ) can effectively reduce power loss, improve power conversion efficiency and reduce heat generation.
**Application examples**: In medium-power power adapters, LED driver power supplies and solar inverters, SW4N50K-VB can be used as a switching element to regulate current and voltage to ensure efficient energy conversion.
- **Power Tools and Home Appliances**
In power tools and home appliances, the SW4N50K-VB is often used in **motor drive systems** and **load switches**. Its high voltage withstand capability and medium current capacity make it an ideal choice for these applications. The low on-resistance of the MOSFET ensures efficient power transmission and reduces energy loss in the motor or other loads.
**Application example**: In the motor control system of power tools, the SW4N50K-VB is used to control the switching operation of the motor to achieve precise speed and power regulation.
- **Industrial Automation and Motor Control**
The SW4N50K-VB is suitable for the field of industrial automation, especially in **motor drives**, **load control** and **speed control systems**. Its high voltage withstand performance enables it to withstand higher voltages in industrial equipment and stably transmit large currents.
**Application examples**: In the motor control system of the automated production line, SW4N50K-VB can be used as a switching element to adjust the motor current and ensure the efficient operation of the motor under different loads.
- **New Energy Vehicles and Battery Management Systems (BMS)**
SW4N50K-VB is also widely used in **electric vehicle charging systems** and **battery management systems (BMS)**, especially in power conditioning modules that require high voltage conversion and medium current. Its excellent switching performance and high voltage tolerance enable it to effectively control the current and voltage during battery charging and protect the battery from damage caused by overcharging or over-discharging.
**Application examples**: In electric vehicle battery chargers, SW4N50K-VB is used to adjust the current and voltage to ensure safe battery charging and optimize the charging speed.
- **High-efficiency LED lighting and drive circuits**
The high voltage tolerance and low on-resistance of SW4N50K-VB make it suitable for **LED driver power supplies**, especially high-power LED lighting systems. Through efficient current regulation, SW4N50K-VB can improve the efficiency of LED driver power supply, extend the service life of LED lamps, and reduce energy loss.
**Application example**: In the power supply modules of commercial lighting and industrial lighting, SW4N50K-VB is used to provide stable current to LEDs, ensuring their efficient operation and maintaining stable output for a long time.
- **Power factor correction (PFC) circuit**
SW4N50K-VB is used as a switching element in the power factor correction circuit to improve the power factor of the system and reduce power loss. Its fast switching characteristics and high voltage capability make it excellent in AC-DC conversion.
**Application example**: In the PFC circuits of high-power power adapters and large electrical equipment, SW4N50K-VB is used to control the current waveform and optimize the power factor to improve the overall efficiency of the power supply.
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SW4N50K-VB is a high voltage, medium current MOSFET, which is widely used in power management, motor control, power tools, home appliances, LED drivers and new energy vehicles. With its high voltage tolerance and low on-resistance, this MOSFET can efficiently control current and reduce energy loss, making it an ideal switching element in high-efficiency power systems.
* 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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