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STD2NK70Z-VB Product details
Back to previous pageProduct introduction：
1. Product Introduction
**STD2NK70Z-VB** is a single N-channel MOSFET in TO251 package with a maximum drain-source voltage of 700V, suitable for medium and high voltage power management and switching applications. The maximum drain current of this MOSFET is 2A. It adopts SJ_Multi-EPI technology and has a low on-resistance (RDS(ON) = 2400mΩ@VGS=10V), which is suitable for power systems requiring higher voltage and relatively low current. Its threshold voltage is 3.5V and supports a gate-source voltage of ±30V. It is suitable for driving and controlling a variety of electronic applications and has good voltage resistance and switching performance.
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**STD2NK70Z-VB** is a single N-channel MOSFET in TO251 package with a maximum drain-source voltage of 700V, suitable for medium and high voltage power management and switching applications. The maximum drain current of this MOSFET is 2A. It adopts SJ_Multi-EPI technology and has a low on-resistance (RDS(ON) = 2400mΩ@VGS=10V), which is suitable for power systems requiring higher voltage and relatively low current. Its threshold voltage is 3.5V and supports a gate-source voltage of ±30V. It is suitable for driving and controlling a variety of electronic applications and has good voltage resistance and switching performance.
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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 | 700V | 3.5V | 2A | 2400mΩ | 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 | 700V | 3.5V | 2A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 700V | 3.5V | 2A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N |
II. Detailed parameter description
| Parameter | Value | Description|
|-----------------|-------------------------------------|--------------------------------------------------|
| **Package** | TO251 | TO251 package, suitable for surface mounting and has good heat dissipation performance|
| **Configuration** | Single N-channel | N-channel configuration, suitable for high voltage power management and switch control|
| **VDS** | 700V | Drain-source voltage is 700V, suitable for high voltage power supply and switch control applications|
| **VGS** | ±30V | Supports ±30V gate-source voltage, widely used in various circuit designs|
| **Vth** | 3.5V | Threshold voltage is 3.5V, suitable for low voltage control applications|
| **RDS(ON)** | 2400mΩ@VGS=10V | Higher on-resistance for low current, high voltage applications|
| **ID** | 2A | Maximum drain current of 2A for applications with medium current requirements|
| **Technology** | SJ_Multi-EPI | Uses SJ_Multi-EPI technology for high voltage tolerance and lower on-resistance|
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| Parameter | Value | Description|
|-----------------|-------------------------------------|--------------------------------------------------|
| **Package** | TO251 | TO251 package, suitable for surface mounting and has good heat dissipation performance|
| **Configuration** | Single N-channel | N-channel configuration, suitable for high voltage power management and switch control|
| **VDS** | 700V | Drain-source voltage is 700V, suitable for high voltage power supply and switch control applications|
| **VGS** | ±30V | Supports ±30V gate-source voltage, widely used in various circuit designs|
| **Vth** | 3.5V | Threshold voltage is 3.5V, suitable for low voltage control applications|
| **RDS(ON)** | 2400mΩ@VGS=10V | Higher on-resistance for low current, high voltage applications|
| **ID** | 2A | Maximum drain current of 2A for applications with medium current requirements|
| **Technology** | SJ_Multi-EPI | Uses SJ_Multi-EPI technology for high voltage tolerance and lower on-resistance|
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Domain and module applications：
3. Application fields and module examples
1. **Power management system**
**High-voltage DC-DC converter**: STD2NK70Z-VB is widely used in high-voltage DC-DC converters. Its high withstand voltage (700V) is suitable for applications that need to convert high voltage to low voltage, such as industrial power converters or battery chargers. In these applications, MOSFET can effectively control the flow of current to ensure that the power module works efficiently and stably.
**AC-DC power conversion**: This MOSFET is also suitable for AC-DC power conversion systems, especially when high withstand voltage is required, such as AC input rectifier modules in power electronic equipment. Its high withstand voltage and low leakage current ensure efficient operation of the power supply.
2. **Motor control application**
**High-voltage motor drive**: In motor drive systems, STD2NK70Z-VB can be used as a switching element to control the start and stop of the motor. Its high withstand voltage capability makes it suitable for motor systems that require higher voltages, such as industrial motor drive systems, elevator control systems, etc.
**Stepper motor drive**: This MOSFET is suitable for the drive circuit of the stepper motor and can provide stable current control to ensure the smooth operation of the motor. It is suitable for high-voltage driven stepper motor applications such as precision positioning equipment, printers and automated machinery.
3. **Power tools and home appliances**
**Power tool power management**: STD2NK70Z-VB is often used in the power system of power tools, especially in battery-driven power tools that require higher voltages. Its low on-resistance and high withstand voltage enable it to withstand the large currents that appear in power tools and effectively control the stable operation of the power management system.
**Home appliance power module**: In the power modules of home appliances such as air conditioners and refrigerators, STD2NK70Z-VB is used for high-voltage power conversion. Its high-voltage tolerance and stable switching characteristics can provide reliable power support for home appliances and ensure efficient operation of appliances.
4. **Automotive Power System**
**Electric Vehicle Battery Management System (BMS)**: STD2NK70Z-VB is also suitable for the battery management system (BMS) of electric vehicles (EV) and hybrid electric vehicles (HEV). In these applications, this MOSFET can efficiently control the current flow during the battery charging and discharging process, ensuring the safety and efficiency of the battery.
**High-voltage Battery Charger**: The high voltage withstand capability of this MOSFET makes it suitable for use in electric vehicle battery chargers, which can handle the charging process of high-voltage battery packs and ensure the safety and efficiency of the charging system.
5. **Communication Equipment Power**
**Communication Base Station Power Module**: STD2NK70Z-VB is used as a power switching element in the communication base station, which can handle the current flow in the high-voltage power supply system. In communication equipment, the high voltage withstand and low on-resistance characteristics of MOSFET help maintain a stable power supply, ensuring long-term stable operation of the equipment.
**Communication Power Adapter**: This MOSFET is widely used in communication power adapters for high-voltage power conversion. It can ensure high efficiency during the power conversion process and adapt to complex grid fluctuations and current load requirements.
In summary, STD2NK70Z-VB is suitable for high-voltage power management systems, motor drives, power tools, home appliances, automotive power systems, and communication equipment power supplies. In these applications, its high withstand voltage, low on-resistance, and stable switching characteristics make it a reliable and efficient switching element that can adapt to various high voltage and high current load requirements.
1. **Power management system**
**High-voltage DC-DC converter**: STD2NK70Z-VB is widely used in high-voltage DC-DC converters. Its high withstand voltage (700V) is suitable for applications that need to convert high voltage to low voltage, such as industrial power converters or battery chargers. In these applications, MOSFET can effectively control the flow of current to ensure that the power module works efficiently and stably.
**AC-DC power conversion**: This MOSFET is also suitable for AC-DC power conversion systems, especially when high withstand voltage is required, such as AC input rectifier modules in power electronic equipment. Its high withstand voltage and low leakage current ensure efficient operation of the power supply.
2. **Motor control application**
**High-voltage motor drive**: In motor drive systems, STD2NK70Z-VB can be used as a switching element to control the start and stop of the motor. Its high withstand voltage capability makes it suitable for motor systems that require higher voltages, such as industrial motor drive systems, elevator control systems, etc.
**Stepper motor drive**: This MOSFET is suitable for the drive circuit of the stepper motor and can provide stable current control to ensure the smooth operation of the motor. It is suitable for high-voltage driven stepper motor applications such as precision positioning equipment, printers and automated machinery.
3. **Power tools and home appliances**
**Power tool power management**: STD2NK70Z-VB is often used in the power system of power tools, especially in battery-driven power tools that require higher voltages. Its low on-resistance and high withstand voltage enable it to withstand the large currents that appear in power tools and effectively control the stable operation of the power management system.
**Home appliance power module**: In the power modules of home appliances such as air conditioners and refrigerators, STD2NK70Z-VB is used for high-voltage power conversion. Its high-voltage tolerance and stable switching characteristics can provide reliable power support for home appliances and ensure efficient operation of appliances.
4. **Automotive Power System**
**Electric Vehicle Battery Management System (BMS)**: STD2NK70Z-VB is also suitable for the battery management system (BMS) of electric vehicles (EV) and hybrid electric vehicles (HEV). In these applications, this MOSFET can efficiently control the current flow during the battery charging and discharging process, ensuring the safety and efficiency of the battery.
**High-voltage Battery Charger**: The high voltage withstand capability of this MOSFET makes it suitable for use in electric vehicle battery chargers, which can handle the charging process of high-voltage battery packs and ensure the safety and efficiency of the charging system.
5. **Communication Equipment Power**
**Communication Base Station Power Module**: STD2NK70Z-VB is used as a power switching element in the communication base station, which can handle the current flow in the high-voltage power supply system. In communication equipment, the high voltage withstand and low on-resistance characteristics of MOSFET help maintain a stable power supply, ensuring long-term stable operation of the equipment.
**Communication Power Adapter**: This MOSFET is widely used in communication power adapters for high-voltage power conversion. It can ensure high efficiency during the power conversion process and adapt to complex grid fluctuations and current load requirements.
In summary, STD2NK70Z-VB is suitable for high-voltage power management systems, motor drives, power tools, home appliances, automotive power systems, and communication equipment power supplies. In these applications, its high withstand voltage, low on-resistance, and stable switching characteristics make it a reliable and efficient switching element that can adapt to various high voltage and high current load requirements.
* 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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