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STF20NK50Z-VB Product details
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Product Introduction
**STF20NK50Z-VB** is a high-performance single N-channel power MOSFET in TO220F package, suitable for 650V high voltage and medium current applications. Based on SJ_Multi-EPI technology, this product has low on-resistance (RDS(ON) = 160mΩ@VGS=10V) and high drain current carrying capacity (ID = 20A), and performs well in high voltage switching applications. STF20NK50Z-VB is suitable for various power electronic systems such as switching power supplies, motor drives, inverters, battery management systems and other fields. Its excellent switching characteristics, low power consumption and high efficiency conversion capabilities make it widely used in both industrial and consumer electronics.
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**STF20NK50Z-VB** is a high-performance single N-channel power MOSFET in TO220F package, suitable for 650V high voltage and medium current applications. Based on SJ_Multi-EPI technology, this product has low on-resistance (RDS(ON) = 160mΩ@VGS=10V) and high drain current carrying capacity (ID = 20A), and performs well in high voltage switching applications. STF20NK50Z-VB is suitable for various power electronic systems such as switching power supplies, motor drives, inverters, battery management systems and other fields. Its excellent switching characteristics, low power consumption and high efficiency conversion capabilities make it widely used in both industrial and consumer electronics.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 20A | 160mΩ | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 20A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 20A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
Detailed parameter description
The following are the detailed technical parameters of **STF20NK50Z-VB**:
| Parameter | Value | Unit | Description|
|-------------------|---------------------------------|------------|--------------------------------------|
| **Package Type** | TO220F | — | High power package, suitable for applications with high current and large heat dissipation requirements. |
| **Channel Type** | Single N-channel| — | Provides efficient switching performance and low on-resistance. |
| **Drain-Source Voltage (VDS)** | 650V | V | Maximum drain-source voltage, suitable for high-voltage power management systems. |
| **Gate-Source Voltage (VGS)** | ±30V | V | Supports gate-source voltage of ±30V to ensure stable switching performance. |
| **Threshold Voltage (Vth)** | 3.5V | V | The starting voltage of MOSFET from off to on, ensuring fast turn-on. |
| **On-resistance (RDS(ON))** | 160mΩ@VGS=10V | Ω | On-resistance at VGS=10V, low RDS(ON) means low power loss. |
| **Drain Current (ID)** | 20A | A | Maximum continuous drain current, suitable for medium power supply applications. |
| **Technology** | SJ_Multi-EPI | — | Using SJ_Multi-EPI technology, providing better switching performance and low on-resistance. |
| **Operating Temperature Range** | -55 ~ 150°C | °C | Withstands a wide operating temperature range to suit a variety of operating environments. |
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The following are the detailed technical parameters of **STF20NK50Z-VB**:
| Parameter | Value | Unit | Description|
|-------------------|---------------------------------|------------|--------------------------------------|
| **Package Type** | TO220F | — | High power package, suitable for applications with high current and large heat dissipation requirements. |
| **Channel Type** | Single N-channel| — | Provides efficient switching performance and low on-resistance. |
| **Drain-Source Voltage (VDS)** | 650V | V | Maximum drain-source voltage, suitable for high-voltage power management systems. |
| **Gate-Source Voltage (VGS)** | ±30V | V | Supports gate-source voltage of ±30V to ensure stable switching performance. |
| **Threshold Voltage (Vth)** | 3.5V | V | The starting voltage of MOSFET from off to on, ensuring fast turn-on. |
| **On-resistance (RDS(ON))** | 160mΩ@VGS=10V | Ω | On-resistance at VGS=10V, low RDS(ON) means low power loss. |
| **Drain Current (ID)** | 20A | A | Maximum continuous drain current, suitable for medium power supply applications. |
| **Technology** | SJ_Multi-EPI | — | Using SJ_Multi-EPI technology, providing better switching performance and low on-resistance. |
| **Operating Temperature Range** | -55 ~ 150°C | °C | Withstands a wide operating temperature range to suit a variety of operating environments. |
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Domain and module applications：
Application fields and module examples
**STF20NK50Z-VB** is a 650V, 20A power MOSFET that is widely used in high-voltage power electronic systems, especially in scenarios that require high voltage and high current. The following are typical application fields of this product:
1. **Switching Power Supply (SMPS)**
In the switching power supply, **STF20NK50Z-VB** is used as the main switching element for high-voltage AC-DC or DC-DC conversion. Its 650V withstand voltage capability and low on-resistance of 160mΩ make this MOSFET have low power loss and high-efficiency conversion in switching power supply applications, and is widely used in computer power supplies, server power supplies, LED drive power supplies, etc.
2. **Motor drive system**
In the motor drive system, **STF20NK50Z-VB** provides efficient motor control. Its excellent conduction performance and high-voltage resistance make it suitable for motor control systems in medium and high-power power tools, electric vehicles, elevators and other industrial automation equipment.
3. **Battery Management System (BMS)**
**STF20NK50Z-VB** can be used in battery management systems (BMS), especially for battery charge and discharge management in electric vehicles (EV) and energy storage systems. Its high withstand voltage and low on-resistance can effectively control the battery charge and discharge process, improving the battery's efficiency and life.
4. **VFD (Variable Frequency Drive)**
**STF20NK50Z-VB** is suitable for variable frequency drives (VFD) to adjust the speed of AC motors and control output power. In variable frequency drive applications, this MOSFET provides efficient power conversion and control to ensure stable operation of the motor and efficient use of energy.
5. **Uninterruptible Power System (UPS)**
In UPS (Uninterruptible Power Supply) systems, **STF20NK50Z-VB** is used as the main switching element to ensure that the battery can quickly provide backup power when the power is interrupted. Its high withstand voltage characteristics and excellent switching performance make it highly reliable and efficient in UPS systems, suitable for backup power supply for home and industrial electrical equipment.
6. **Solar inverter**
In solar inverters, **STF20NK50Z-VB** is used to convert DC power generated by photovoltaic cells into AC power. The high voltage tolerance and efficient switching performance of MOSFET enable it to effectively convert energy in solar power generation systems and improve the overall conversion efficiency of the system.
7. **High-power power electronic modules**
In power electronic modules that require high voltage and high current, **STF20NK50Z-VB** can provide excellent switching performance, especially suitable for power conversion and management applications. Its low on-resistance and high withstand voltage characteristics make it widely used in industries, communications, and energy.
In summary, **STF20NK50Z-VB** is a 650V, 20A high-performance MOSFET suitable for high-voltage power electronics such as switching power supplies, motor drives, battery management, inverters, UPS systems, solar inverters, etc. Its low power loss, high conversion efficiency and high voltage resistance enable it to provide stable and reliable performance in these applications.
**STF20NK50Z-VB** is a 650V, 20A power MOSFET that is widely used in high-voltage power electronic systems, especially in scenarios that require high voltage and high current. The following are typical application fields of this product:
1. **Switching Power Supply (SMPS)**
In the switching power supply, **STF20NK50Z-VB** is used as the main switching element for high-voltage AC-DC or DC-DC conversion. Its 650V withstand voltage capability and low on-resistance of 160mΩ make this MOSFET have low power loss and high-efficiency conversion in switching power supply applications, and is widely used in computer power supplies, server power supplies, LED drive power supplies, etc.
2. **Motor drive system**
In the motor drive system, **STF20NK50Z-VB** provides efficient motor control. Its excellent conduction performance and high-voltage resistance make it suitable for motor control systems in medium and high-power power tools, electric vehicles, elevators and other industrial automation equipment.
3. **Battery Management System (BMS)**
**STF20NK50Z-VB** can be used in battery management systems (BMS), especially for battery charge and discharge management in electric vehicles (EV) and energy storage systems. Its high withstand voltage and low on-resistance can effectively control the battery charge and discharge process, improving the battery's efficiency and life.
4. **VFD (Variable Frequency Drive)**
**STF20NK50Z-VB** is suitable for variable frequency drives (VFD) to adjust the speed of AC motors and control output power. In variable frequency drive applications, this MOSFET provides efficient power conversion and control to ensure stable operation of the motor and efficient use of energy.
5. **Uninterruptible Power System (UPS)**
In UPS (Uninterruptible Power Supply) systems, **STF20NK50Z-VB** is used as the main switching element to ensure that the battery can quickly provide backup power when the power is interrupted. Its high withstand voltage characteristics and excellent switching performance make it highly reliable and efficient in UPS systems, suitable for backup power supply for home and industrial electrical equipment.
6. **Solar inverter**
In solar inverters, **STF20NK50Z-VB** is used to convert DC power generated by photovoltaic cells into AC power. The high voltage tolerance and efficient switching performance of MOSFET enable it to effectively convert energy in solar power generation systems and improve the overall conversion efficiency of the system.
7. **High-power power electronic modules**
In power electronic modules that require high voltage and high current, **STF20NK50Z-VB** can provide excellent switching performance, especially suitable for power conversion and management applications. Its low on-resistance and high withstand voltage characteristics make it widely used in industries, communications, and energy.
In summary, **STF20NK50Z-VB** is a 650V, 20A high-performance MOSFET suitable for high-voltage power electronics such as switching power supplies, motor drives, battery management, inverters, UPS systems, solar inverters, etc. Its low power loss, high conversion efficiency and high voltage resistance enable it to provide stable and reliable performance in these 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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