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STF21N65M5-VB Product details

Product introduction:

STF21N65M5-VB Product Introduction

STF21N65M5-VB is a high-performance N-channel power MOSFET that uses SJ_Multi-EPI technology and is packaged in TO220F. This MOSFET has a drain-source voltage (VDS) of 700V and a maximum gate-source voltage (VGS) of 30V, making it ideal for switching and power control applications that require high voltage, low on-resistance, and high current. Its on-resistance (RDS(ON)) is 160mΩ (at VGS=10V), which enables efficient power conversion and reduces energy loss. The maximum drain current (ID) is 20A, making it suitable for various types of high-power power conversion and drive systems, especially in the fields of power electronics, motor control, and high-power switching power supplies.

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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 700V 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 700V 3.5V 20A SJ_Multi-EPI
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO220F Single-N 700V 3.5V 20A SJ_Multi-EPI
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO220F Single-N
STF21N65M5-VB Detailed Parameter Description

| **Parameter** | **Value** | **Description** |
|-------------------------|-----------------------------|--------------------------------------------------|
| **Package Type** | TO220F | TO220F package provides good heat dissipation performance and is suitable for high-power applications. |
| **Channel Type** | Single N-channel | Single N-channel design, suitable for high-voltage, high-current switch control. |
| **Drain-Source Voltage (VDS)** | 700V | 700V drain-source voltage tolerance, suitable for high-voltage power conversion applications. |
| **Gate-Source Voltage (VGS)** | ±30V | The maximum gate-source voltage is 30V, suitable for a variety of gate drive circuits. |
| **Threshold Voltage (Vth)** | 3.5V | The threshold voltage is 3.5V, suitable for low-voltage switch applications. |
| **On-resistance (RDS(ON))** | 160mΩ @ VGS=10V | At VGS=10V, the on-resistance is 160mΩ, suitable for high-efficiency switching applications. |
| **Drain current (ID)** | 20A | Maximum drain current is 20A, suitable for high current transmission. |
| **Technology type** | SJ_Multi-EPI | Using SJ_Multi-EPI technology, providing stable performance and high voltage withstand capability. |

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Domain and module applications:

Application fields and module examples

1. **High-efficiency switching power supply (SMPS)**
STF21N65M5-VB is suitable for a variety of high-efficiency switching power supply (SMPS) applications, especially in AC/DC conversion and DC/DC conversion circuits. Its high voltage tolerance (700V) and low on-resistance (160mΩ) make it very suitable for power modules that require high efficiency and low energy loss, and are widely used in home appliances, industrial power supplies, computer power supplies and other fields.

2. **Motor drive control system**
STF21N65M5-VB also has important applications in motor drive control systems, especially in variable frequency drive (VFD) systems. Due to its high current (20A) and high voltage (700V) carrying capacity, it can efficiently control the start, run and stop of industrial motors, and plays a key role in high-power motor applications such as fans, elevators, and electric vehicles.

3. **Electric Vehicle (EV) Charging System**
In the electric vehicle (EV) charging system, the STF21N65M5-VB provides efficient power management to ensure stable and efficient charging current. The 650V drain-source voltage and 20A drain current capability meet the charging requirements of electric vehicle batteries and are suitable for battery management systems (BMS) and related charging modules.

4. **Solar Inverter**
STF21N65M5-VB is widely used in solar inverters. Due to its high voltage and low on-resistance, it can efficiently convert the DC power generated by solar panels into AC power, which is suitable for home and commercial solar power generation systems, providing stable power output to the power grid, especially in outdoor power supply.

5. **Uninterruptible Power Supply (UPS)**
STF21N65M5-VB can be used in uninterruptible power supply (UPS) systems to provide power to key equipment when the power grid is out of power. Its high current carrying capacity and low on-resistance enable it to effectively convert electrical energy in UPS systems, ensuring that power is not interrupted in a short period of time, and is widely used in commercial and industrial fields.

6. **Industrial Power Regulation and Control**
This MOSFET can be widely used in industrial power regulation systems, such as power regulators, power conditioners, etc. Its high voltage (700V) and high current (20A) capabilities make it an ideal choice for high-power control modules, especially when dealing with large currents and high-power loads, which can effectively ensure the stable operation of the system.

7. **Lighting Control System**
STF21N65M5-VB can be used in lighting control systems, especially high-power commercial lighting or urban public lighting systems. In these applications, the MOSFET provides efficient power control and can operate stably under high current and high voltage conditions, helping to reduce energy loss and improve overall system efficiency.

8. **Laser and medical equipment**
In laser equipment and other medical equipment, the STF21N65M5-VB can provide precise and stable power conversion. It performs well in high-power applications and can withstand large current loads, suitable for fields that require precise control, such as industrial laser cutting, medical laser therapy, etc.

Through its excellent current carrying capacity, low on-resistance and high voltage tolerance, the STF21N65M5-VB is suitable for various fields such as various high-efficiency power conversion systems, motor drives, high-power switching power supplies, solar inverters and electric vehicle charging systems, providing efficient and stable power management solutions.
* 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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