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STB7NK80Z-VB Product details

Product introduction:

Product Introduction

STB7NK80Z-VB is a single N-channel MOSFET in TO263 package, designed for high voltage applications. With a maximum drain-source voltage (VDS) of 800V and a maximum drain current (ID) of 7A, this MOSFET is suitable for high voltage switching and power conversion systems. STB7NK80Z-VB adopts SJ_Multi-EPI technology, has a low on-resistance (RDS(ON) = 850mΩ @ VGS = 10V), and can withstand a high gate-source voltage (VGS) of ±30V, which is suitable for reliable power switching in industrial power supplies, photovoltaic power supplies and other high voltage applications. This product has excellent performance in situations with high voltage and low current requirements, especially in systems with high protection and stability requirements.

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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 800V 3.5V 7A 850mΩ 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 800V 3.5V 7A SJ_Multi-EPI
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO263 Single-N 800V 3.5V 7A SJ_Multi-EPI
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO263 Single-N
Detailed parameter description

| **Parameter** | **Description** |
|-------------------------|---------------------------------------------|
| **Package type** | TO263 |
| **Channel configuration** | Single N-channel|
| **Maximum drain-source voltage (VDS)** | 800V |
| **Gate-source voltage (VGS)** | ±30V |
| **Threshold voltage (Vth)** | 3.5V |
| **On-resistance (RDS(ON))** | 850mΩ (VGS=10V) |
| **Maximum drain current (ID)** | 7A |
| **Maximum power dissipation** | 40W (through junction to air cooling) |
| **Operating temperature range** | -55°C to +150°C |
| **Technology** | SJ_Multi-EPI |
| **Switching speed** | Faster|

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Domain and module applications:

Applications and modules

1. **High-voltage power management system**
The STB7NK80Z-VB is suitable for high-voltage power management systems, especially where efficient voltage conversion and switching are required. Its maximum drain-source voltage of 800V makes it very useful in high-voltage DC power supplies such as industrial power supplies and power inverters. Its low on-resistance and stable operating performance enable it to effectively control the flow of current under high-voltage loads, ensuring the stability and efficiency of the power system.

2. **Power converter**
The STB7NK80Z-VB is suitable for various power conversion applications, such as DC-DC converters and AC-DC converters. Due to its high voltage withstand capability of 800V and low on-resistance, it can effectively control and convert current at higher voltages, and the power loss during the power conversion process is very small, thereby improving the overall efficiency of the system.

3. **Photovoltaic inverter**
This MOSFET is widely used in solar energy systems, especially photovoltaic inverters. Since photovoltaic panels usually generate high voltages, the STB7NK80Z-VB can effectively withstand voltages up to 800V and switch currents during the inversion process with low losses, helping to achieve efficient energy conversion and optimize the overall performance of the photovoltaic system.

4. **Electric vehicle power system**
In the high-voltage battery system and motor drive system of electric vehicles, the STB7NK80Z-VB can be used as a key switching element in the battery management system. It can stably withstand high voltages and provide precise control during battery charging and discharging to ensure battery stability and safety.

5. **High-voltage battery management system (BMS)**
The STB7NK80Z-VB is also suitable for power switches in high-voltage battery management systems, especially those that need to monitor and balance the voltage of battery packs. Its high voltage tolerance and efficient current switching characteristics ensure the stability and safety of the battery system during charging and discharging.

6. **Home appliances and industrial equipment**
STB7NK80Z-VB can also be used in high-voltage power switching systems in home appliances and industrial equipment, such as electric water heaters, power transmission equipment, etc. Its 800V rated voltage and high current carrying capacity can cope with the complex power requirements of these devices and ensure the efficient and safe operation of the system.

7. **UPS (Uninterruptible Power Supply) System**
In UPS systems, STB7NK80Z-VB can be used as a key power switching component to ensure that the system quickly switches to battery power when power is interrupted and maintains stable power output. Its high voltage and high current carrying capacity enable it to meet the high power requirements of UPS systems while providing long-term backup power support.

8. **High-frequency switching power supply**
This MOSFET is also suitable for high-frequency switching power supplies, such as computer power supplies, communication power supplies, and power supplies in high-frequency radio equipment. Its fast switching characteristics and low power loss enable it to efficiently complete power conversion tasks and perform well under high-frequency operation.

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STB7NK80Z-VB is a high-voltage, high-efficiency MOSFET that is widely used in power systems that require high voltage handling capabilities and low power consumption characteristics. Whether in photovoltaic inverters, electric vehicle power supplies, UPS systems, or other high-voltage power systems, it can provide reliable and stable current switching control to ensure efficient operation of the system.
* 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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