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STW21NM50N-VB Product details
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STW21NM50N-VB MOSFET Product Introduction
The STW21NM50N-VB is an N-channel MOSFET with medium and high voltage carrying capacity, packaged in TO247, suitable for power switching and power management applications. With a maximum drain-source voltage (VDS) of 500V and supporting a gate-source voltage (VGS) of up to 30V, this MOSFET is suitable for power conversion, inverters, electric drives and power management systems. Based on SJ_Multi-EPI technology, the STW21NM50N-VB has a low on-resistance (RDS(ON)) of 80mΩ (@ VGS = 10V) and can carry a maximum drain current (ID) of 40A. The threshold voltage (Vth) is 3.8V, which can ensure stable performance under multiple different operating conditions. Its efficient switching performance and low switching losses make it an ideal choice for medium and high power supply systems.
The STW21NM50N-VB is an N-channel MOSFET with medium and high voltage carrying capacity, packaged in TO247, suitable for power switching and power management applications. With a maximum drain-source voltage (VDS) of 500V and supporting a gate-source voltage (VGS) of up to 30V, this MOSFET is suitable for power conversion, inverters, electric drives and power management systems. Based on SJ_Multi-EPI technology, the STW21NM50N-VB has a low on-resistance (RDS(ON)) of 80mΩ (@ VGS = 10V) and can carry a maximum drain current (ID) of 40A. The threshold voltage (Vth) is 3.8V, which can ensure stable performance under multiple different operating conditions. Its efficient switching performance and low switching losses make it an ideal choice for medium and high power supply systems.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 500V | 3.8V | 40A | 80mΩ | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 500V | 3.8V | 40A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 500V | 3.8V | 40A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO247 | Single-N |
STW21NM50N-VB MOSFET Detailed parameter description
- **Package**: TO247
- **Configuration**: Unipolar N-channel
- **Drain-source voltage (VDS)**: 500V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3.8V
- **On-resistance (RDS(ON))**:
- 80mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 40A
- **Technology**: SJ_Multi-EPI technology
- **Package**: TO247
- **Configuration**: Unipolar N-channel
- **Drain-source voltage (VDS)**: 500V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3.8V
- **On-resistance (RDS(ON))**:
- 80mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 40A
- **Technology**: SJ_Multi-EPI technology
Domain and module applications：
STW21NM50N-VB Application Fields and Module Examples
1. **Switching Power Supply (SMPS)**: STW21NM50N-VB is suitable for high-efficiency switching power supply modules, especially in power supply applications that require higher withstand voltage and lower on-resistance. Its 500V withstand voltage makes it suitable for AC-DC converters, DC-DC converters, PFC circuits, etc. Its low on-resistance (80mΩ) effectively reduces power loss and improves the efficiency and stability of the power system.
2. **Inverter System**: This MOSFET is widely used in inverters, especially power conversion in renewable energy systems such as solar inverters and wind inverters. The 500V drain-source voltage and 40A drain current capability of STW21NM50N-VB enable it to handle higher power DC to AC conversion, providing efficient power conversion and system stability.
3. **Power Factor Correction (PFC) Circuit**: In the power factor correction (PFC) circuit, STW21NM50N-VB acts as a switching element to optimize the input current waveform, improve the system power factor, and reduce the loss of reactive power. Its excellent switching performance, especially under high voltage conditions, is suitable for high-efficiency PFC circuit design.
4. **Electric Drive System**: STW21NM50N-VB is used in the electric drive system of electric vehicles (EV) and hybrid electric vehicles (HEV), especially in high-voltage battery management and motor drive modules. Its high withstand voltage characteristics of 500V and current carrying capacity of 40A enable it to handle high power currents and provide the precise power control required by motor drive systems.
5. **Battery Management System (BMS)**: STW21NM50N-VB can be used in battery management systems (BMS), especially in applications that require high-voltage battery management, such as electric vehicles and energy storage systems. Its 500V withstand voltage enables it to handle high-voltage protection and management during battery charging and discharging, while ensuring the safety and efficiency of the system.
6. **High-voltage power management module**: In the high-voltage power management system, STW21NM50N-VB is suitable for various industrial equipment that require stable power supply, such as industrial robots, automation equipment, etc. Its high withstand voltage characteristics and low on-resistance ensure stable operation under high current loads and improve the efficiency and reliability of the system.
7. **Home appliance power system**: STW21NM50N-VB is also suitable for home appliance power modules, especially power management of high-power home appliances such as air conditioners, electric water heaters, and refrigerators. Its efficient switching characteristics and withstand voltage capabilities help home appliances achieve high efficiency and long service life while reducing energy consumption.
1. **Switching Power Supply (SMPS)**: STW21NM50N-VB is suitable for high-efficiency switching power supply modules, especially in power supply applications that require higher withstand voltage and lower on-resistance. Its 500V withstand voltage makes it suitable for AC-DC converters, DC-DC converters, PFC circuits, etc. Its low on-resistance (80mΩ) effectively reduces power loss and improves the efficiency and stability of the power system.
2. **Inverter System**: This MOSFET is widely used in inverters, especially power conversion in renewable energy systems such as solar inverters and wind inverters. The 500V drain-source voltage and 40A drain current capability of STW21NM50N-VB enable it to handle higher power DC to AC conversion, providing efficient power conversion and system stability.
3. **Power Factor Correction (PFC) Circuit**: In the power factor correction (PFC) circuit, STW21NM50N-VB acts as a switching element to optimize the input current waveform, improve the system power factor, and reduce the loss of reactive power. Its excellent switching performance, especially under high voltage conditions, is suitable for high-efficiency PFC circuit design.
4. **Electric Drive System**: STW21NM50N-VB is used in the electric drive system of electric vehicles (EV) and hybrid electric vehicles (HEV), especially in high-voltage battery management and motor drive modules. Its high withstand voltage characteristics of 500V and current carrying capacity of 40A enable it to handle high power currents and provide the precise power control required by motor drive systems.
5. **Battery Management System (BMS)**: STW21NM50N-VB can be used in battery management systems (BMS), especially in applications that require high-voltage battery management, such as electric vehicles and energy storage systems. Its 500V withstand voltage enables it to handle high-voltage protection and management during battery charging and discharging, while ensuring the safety and efficiency of the system.
6. **High-voltage power management module**: In the high-voltage power management system, STW21NM50N-VB is suitable for various industrial equipment that require stable power supply, such as industrial robots, automation equipment, etc. Its high withstand voltage characteristics and low on-resistance ensure stable operation under high current loads and improve the efficiency and reliability of the system.
7. **Home appliance power system**: STW21NM50N-VB is also suitable for home appliance power modules, especially power management of high-power home appliances such as air conditioners, electric water heaters, and refrigerators. Its efficient switching characteristics and withstand voltage capabilities help home appliances achieve high efficiency and long service life while reducing energy consumption.
* 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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