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STB21NK50Z-VB Product details
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STB21NK50Z-VB Product Introduction
STB21NK50Z-VB is a **high voltage N-channel MOSFET**, using **TO263 package**, designed to cope with voltage requirements up to **650V**. This MOSFET provides a **maximum drain current carrying capacity of 20A**, which is very suitable for power management, motor drive, industrial automation and power conversion. Using **SJ_Multi-EPI technology**, it can effectively reduce switching losses and improve system efficiency while providing low on-resistance (**RDS(ON) = 160mΩ** @VGS=10V). STB21NK50Z-VB is particularly suitable for applications requiring high voltage, high current and low power consumption. It has excellent thermal stability and strong current handling capability, ensuring that it can maintain high performance under a variety of harsh working conditions.
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STB21NK50Z-VB is a **high voltage N-channel MOSFET**, using **TO263 package**, designed to cope with voltage requirements up to **650V**. This MOSFET provides a **maximum drain current carrying capacity of 20A**, which is very suitable for power management, motor drive, industrial automation and power conversion. Using **SJ_Multi-EPI technology**, it can effectively reduce switching losses and improve system efficiency while providing low on-resistance (**RDS(ON) = 160mΩ** @VGS=10V). STB21NK50Z-VB is particularly suitable for applications requiring high voltage, high current and low power consumption. It has excellent thermal stability and strong current handling capability, ensuring that it can maintain high performance under a variety of harsh working conditions.
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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 | 650V | 3.5V | 20A | 160mΩ | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 20A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 20A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
STB21NK50Z-VB Detailed parameter description
- **Package type: ** TO263
- **Configuration: ** Single N-channel
- **Maximum drain-source voltage (VDS): ** 650V
- **Maximum gate-source voltage (VGS): ** ±30V
- **Threshold voltage (Vth): ** 3.5V
- **On-resistance (RDS(ON)): **
- 160mΩ @VGS = 10V
- **Maximum drain current (ID): ** 20A
- **Technical characteristics: ** SJ_Multi-EPI
- **Maximum power dissipation: ** 150W (depending on environment and thermal design)
- **Operating temperature range: ** -55°C to +150°C
- **Typical applications: ** Power management, power converters, inverters, motor control
- **Package characteristics: ** TO263 package design, optimized thermal performance, suitable for high power and high current applications
- **Other features:**
- **Low on-resistance**: Reduce energy loss and optimize power conversion
- **High voltage and current carrying capacity**: Suitable for high power, high voltage systems in harsh environments
- **High efficiency**: Especially suitable for applications requiring efficient power switches
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- **Package type: ** TO263
- **Configuration: ** Single N-channel
- **Maximum drain-source voltage (VDS): ** 650V
- **Maximum gate-source voltage (VGS): ** ±30V
- **Threshold voltage (Vth): ** 3.5V
- **On-resistance (RDS(ON)): **
- 160mΩ @VGS = 10V
- **Maximum drain current (ID): ** 20A
- **Technical characteristics: ** SJ_Multi-EPI
- **Maximum power dissipation: ** 150W (depending on environment and thermal design)
- **Operating temperature range: ** -55°C to +150°C
- **Typical applications: ** Power management, power converters, inverters, motor control
- **Package characteristics: ** TO263 package design, optimized thermal performance, suitable for high power and high current applications
- **Other features:**
- **Low on-resistance**: Reduce energy loss and optimize power conversion
- **High voltage and current carrying capacity**: Suitable for high power, high voltage systems in harsh environments
- **High efficiency**: Especially suitable for applications requiring efficient power switches
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Domain and module applications：
Application fields and module examples of STB21NK50Z-VB
1. **Power management and power conversion systems:**
The **650V withstand voltage capability** and **160mΩ low on-resistance** of STB21NK50Z-VB make it very suitable for **high voltage power management and power converters**. For example, in **high-efficiency AC-DC converters**, **DC-DC converters** and **power electronic converters**, it can improve energy efficiency and reduce power loss, thereby enhancing the stability and performance of the overall system. In **power adapters** and **chargers**, as a switching element, it helps to improve conversion efficiency and extend the service life of the equipment.
2. **Inverter applications:**
In **solar inverters**, **wind inverters** and **UPS power systems**, STB21NK50Z-VB acts as a **power switch**, which can withstand high voltage and current loads and provide efficient power conversion. It achieves lower energy loss during the conversion process, helping the inverter to work more efficiently, especially suitable for **renewable energy systems**, effectively improving energy utilization and extending system life.
3. **Motor drive system:**
In **motor control systems** (such as **electric vehicles**, **industrial motor drives** and **home appliance controls**), STB21NK50Z-VB can provide strong current carrying capacity and low switching losses to ensure smooth operation of the motor and reduce heat generation. Its high voltage and high current handling capabilities are suitable for high-power motor drive applications, providing **high-efficiency current control**, especially in situations where efficient power conversion and high-power motor drive are required.
4. **Industrial automation system:**
STB21NK50Z-VB is widely used in **industrial automation control systems**, such as in **inverters**, **electrical control equipment** and **high-power electrical equipment**. Due to its **high voltage tolerance** and **low on-resistance**, it ensures stable and efficient operation of equipment in industrial environments. In addition, in **electrical switchgear** and **power distribution systems**, the high voltage handling and low loss characteristics of this MOSFET make it an ideal choice for power regulation and energy conversion systems.
5. **Automotive electronic systems:**
In the **battery management system** (BMS) of **electric vehicles** (EV) and **hybrid electric vehicles** (HEV), the high voltage handling capability of the STB21NK50Z-VB is particularly suitable for current regulation and energy conversion in high-voltage battery systems. Its low on-resistance and high efficiency are crucial for the battery charging and discharging process of electric vehicles, helping to improve the efficiency and life of the battery system and reduce the energy loss of the system.
6. **High power switch modules:**
The STB21NK50Z-VB is also widely used in **high power switch modules** and **high power supply modules**, especially for occasions requiring high voltage and high current carrying. It can effectively reduce switching losses and improve the overall efficiency of the system. It is widely used in high-power power supplies and control systems in industry, consumer electronics and automotive electronics.
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1. **Power management and power conversion systems:**
The **650V withstand voltage capability** and **160mΩ low on-resistance** of STB21NK50Z-VB make it very suitable for **high voltage power management and power converters**. For example, in **high-efficiency AC-DC converters**, **DC-DC converters** and **power electronic converters**, it can improve energy efficiency and reduce power loss, thereby enhancing the stability and performance of the overall system. In **power adapters** and **chargers**, as a switching element, it helps to improve conversion efficiency and extend the service life of the equipment.
2. **Inverter applications:**
In **solar inverters**, **wind inverters** and **UPS power systems**, STB21NK50Z-VB acts as a **power switch**, which can withstand high voltage and current loads and provide efficient power conversion. It achieves lower energy loss during the conversion process, helping the inverter to work more efficiently, especially suitable for **renewable energy systems**, effectively improving energy utilization and extending system life.
3. **Motor drive system:**
In **motor control systems** (such as **electric vehicles**, **industrial motor drives** and **home appliance controls**), STB21NK50Z-VB can provide strong current carrying capacity and low switching losses to ensure smooth operation of the motor and reduce heat generation. Its high voltage and high current handling capabilities are suitable for high-power motor drive applications, providing **high-efficiency current control**, especially in situations where efficient power conversion and high-power motor drive are required.
4. **Industrial automation system:**
STB21NK50Z-VB is widely used in **industrial automation control systems**, such as in **inverters**, **electrical control equipment** and **high-power electrical equipment**. Due to its **high voltage tolerance** and **low on-resistance**, it ensures stable and efficient operation of equipment in industrial environments. In addition, in **electrical switchgear** and **power distribution systems**, the high voltage handling and low loss characteristics of this MOSFET make it an ideal choice for power regulation and energy conversion systems.
5. **Automotive electronic systems:**
In the **battery management system** (BMS) of **electric vehicles** (EV) and **hybrid electric vehicles** (HEV), the high voltage handling capability of the STB21NK50Z-VB is particularly suitable for current regulation and energy conversion in high-voltage battery systems. Its low on-resistance and high efficiency are crucial for the battery charging and discharging process of electric vehicles, helping to improve the efficiency and life of the battery system and reduce the energy loss of the system.
6. **High power switch modules:**
The STB21NK50Z-VB is also widely used in **high power switch modules** and **high power supply modules**, especially for occasions requiring high voltage and high current carrying. It can effectively reduce switching losses and improve the overall efficiency of the system. It is widely used in high-power power supplies and control systems in industry, consumer electronics and automotive electronics.
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* 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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