STF8NK85Z-VB Product details
Product introduction:
**STF8NK85Z-VB** is a **single N-channel MOSFET** in **TO220F package**, suitable for high voltage power control and power conversion systems. The **maximum drain-source voltage (VDS)** of this MOSFET is **850V**, and it can operate stably under **±30V** gate drive voltage, suitable for applications requiring high withstand voltage and medium current load. Its **RDS(ON) is 1150mΩ @ VGS=10V**, providing good conduction performance, especially suitable for occasions requiring low switching loss and efficient energy conversion. **STF8NK85Z-VB** is based on **Plannar technology**, has good switching characteristics and thermal management capabilities, and is widely used in industrial power supplies, inverters, motor drives and power conversion.
---
File download
Download PDF document
Download now
Product parameter:
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 850V | 3.3V | 10A | 1150mΩ | Plannar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 850V | 3.3V | 10A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 850V | 3.3V | 10A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
| **Parameter category** | **Parameter value** | **Description** |
|------------------------|---------------------------------|-------------------------------------------------------------------------|
| **Package type** | TO-220F | Provides strong heat dissipation capability, suitable for applications with high power and good thermal management|
| **Channel configuration** | Single N-channel | Provides stable current switching and efficient power conversion capability|
| **Maximum drain-source voltage (VDS)** | 850V | High voltage carrying capacity, suitable for high voltage power supply applications and motor drive|
| **Maximum gate drive voltage (VGS)** | ±30V | Wide gate drive voltage range ensures stable operation in a variety of power control environments|
| **Threshold voltage (Vth)** | 3.3V | Lower switching voltage makes gate voltage drive more efficient, suitable for low voltage power supply applications|
| **On-resistance (RDS(ON))** | 1150mΩ @ VGS=10V | Relatively high on-resistance, suitable for medium power applications, providing stable switching characteristics|
| **Maximum drain current (ID)** | 10A | Suitable for medium current power conversion and motor drive applications|
| **Technology type** | Plannar | With good temperature control capability and efficient switching performance, suitable for applications requiring reliable thermal management|
---
Domain and module applications:
1. **High-voltage power control system**
- **Application scenario**: STF8NK85Z-VB is suitable for **high-voltage power converter** and **power management module**, especially for applications that need to withstand **850V voltage**.
- **Description**: Due to its **850V high withstand voltage** characteristic, this MOSFET can work stably in high-voltage power management systems and is suitable for **DC-DC converter**, **switching power supply** (SMPS) and other high-efficiency power conversion systems. It can provide good **RDS(ON) performance** to ensure efficient power conversion, especially in the power conversion process, reducing heat loss.
2. **Motor drive system**
- **Application scenario**: Used for **motor drive**, such as industrial motor, household appliance motor and other drive control.
- **Description**: STF8NK85Z-VB has a **10A maximum drain current**, which is suitable for medium current loads in motor drive control. **High withstand voltage** characteristics enable it to cope with current surges when the motor starts, and is suitable for **industrial automation** and **home appliance motor control** (such as air conditioner motor, washing machine motor drive).
3. **Inverter and power conversion**
- **Application scenarios**: Widely used in **inverters** and **power inverters**, especially in the industrial field and renewable energy systems.
- **Description**: In **inverters** and **UPS systems** (uninterruptible power supply systems), STF8NK85Z-VB can be used as a power switching element. **The high voltage of 850V** can meet the needs of high voltage conversion systems and is suitable for **power transmission systems**, especially in the process of reliable and efficient power conversion.
4. **Power electronic modules**
- **Application scenarios**: Applicable to **power electronic modules**, such as high voltage DC transmission (HVDC) systems, wind power generation, and solar inverters.
- **Description**: STF8NK85Z-VB can be used for power control and switching in these systems to help achieve efficient conversion of electrical energy. It is suitable for **power modules** that require **medium current**, such as **solar inverters**, which can process high-voltage DC from solar panels and convert it into efficient AC to supply the grid.
5. **Automotive Electronics Applications**
- **Application Scenario**: Suitable for **automotive power electronics systems**, such as **battery management systems** (BMS) for electric vehicles (EV) and hybrid electric vehicles (HEV).
- **Description**: STF8NK85Z-VB has **high withstand voltage** and **medium current carrying capacity**, suitable for power switches in electric vehicle battery management and high-voltage power systems, capable of providing stable performance in **high-voltage power systems**, and suitable for current conversion in **electric vehicles** and **battery management systems**.
---
**STF8NK85Z-VB** is an **850V withstand voltage**, **medium current carrying capacity** N-channel MOSFET**, using **TO220F package**, its **1150mΩ on-resistance** is suitable for applications requiring high efficiency and stability. Based on **Plannar technology**, it provides good switching performance and thermal management capabilities. This MOSFET is widely used in **high voltage power management, motor drive, inverter, power conversion** and **automotive electronics**. It can effectively improve the power conversion efficiency of the system, reduce heat loss, and meet the needs of complex applications such as high voltage power supply systems and motor drives.
Technical support:
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
中文
English
Back to previous page
Click for larger image