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STF18N55M5-VB Product details

Product introduction:

1. STF18N55M5-VB Product Introduction

STF18N55M5-VB is a high-performance single N-channel power MOSFET in TO220F package, designed for high voltage and high current power electronic applications. The device has a drain-source voltage (VDS) of 650V, supports high voltage current switching, and is suitable for high voltage power control systems. The maximum drain current (ID) of STF18N55M5-VB is 20A, which can meet the current control requirements of large loads. Its on-resistance (RDS(ON)) is 160mΩ (VGS=10V), which effectively reduces conduction losses and improves system efficiency. The turn-on voltage (Vth) is 3.5V, which is suitable for standard drive voltage. STF18N55M5-VB adopts SJ_Multi-EPI technology, has excellent thermal performance and current handling capabilities, and is suitable for various high power conversion and control systems. This MOSFET is an ideal choice for applications such as high voltage power management, inverters, and 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 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
2. STF18N55M5-VB Detailed parameter description

| **Parameter category** | **Parameter value** | **Description** |
|-------------------|-------------------------|---------------------------------|
| **Package** | TO220F | TO220F package, suitable for high power applications|
| **Configuration** | Single N-channel | Suitable for common power control design|
| **Drain-source voltage (VDS)** | 650V | High voltage carrying capacity, suitable for high voltage applications|
| **Gate-source voltage (VGS)** | ±30V | Support wide gate drive voltage, suitable for various drive modes|
| **Turning voltage (Vth)** | 3.5V | Suitable for standard gate drive voltage|
| **On-resistance (RDS(ON))** | 160mΩ @ VGS=10V | Lower on-resistance, reduced conduction loss, improved efficiency|
| **Maximum Drain Current (ID)** | 20A | Current control to support higher current loads|
| **Technology** | SJ_Multi-EPI | Uses SJ_Multi-EPI technology for better thermal management and performance|

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Domain and module applications:

3. Application fields and modules

#### 1. **Power management and conversion**
STF18N55M5-VB's high withstand voltage of 650V and low on-resistance of 160mΩ make it very suitable for power management and power converters, especially in switch mode power supplies (SMPS) and inverters. It can effectively convert high voltage to the required low voltage and maintain efficient operation. It performs well in AC-DC and DC-DC converters and is widely used in industrial power supplies, communication equipment power supplies and other fields.

#### 2. **Inverter and uninterruptible power supply (UPS)**
In inverter and uninterruptible power supply (UPS) systems, STF18N55M5-VB can handle high voltage and high current switching tasks and can efficiently convert DC to AC. In solar inverters, wind power generation systems and other energy conversion applications, its efficient switching characteristics and low conduction losses can improve the overall efficiency of the system.

#### 3. **Electric Vehicle (EV) Charger**
STF18N55M5-VB is suitable for electric vehicle charger systems. Its high voltage tolerance and high current handling capabilities enable it to cope with the high voltage and high current generated during the charging process. As an efficient switching device, it can effectively control the battery charging process, increase charging speed and reduce energy loss. It is also suitable for applications in high-power battery management systems.

#### 4. **High-Power Power Conversion**
STF18N55M5-VB can work stably in high-power power conversion systems, especially in power transmission and distribution systems. In applications that require high current and high voltage control, using this MOSFET can ensure stable operation of the system and improve system efficiency. It is suitable for power conversion, voltage-regulated power supplies, and power conditioning modules, etc.

#### 5. **Industrial Motor Control**
In industrial motor control and drive systems, STF18N55M5-VB can be used as a switching element to effectively control the start, stop and speed regulation of the motor. Its higher current carrying capacity enables it to drive high-power motors and is widely used in automation control, power tools and other industrial motor drive modules.

#### 6. **High-efficiency power electronic modules**
STF18N55M5-VB is suitable for power electronic modules, especially in application scenarios requiring high voltage, high current and high efficiency, such as power modules, power conditioning modules and power control modules in wind power generation. Its excellent thermal management capabilities and low on-resistance ensure efficient operation and stability, especially in frequent switching load environments.

Through these application examples, STF18N55M5-VB demonstrates its wide applicability in high-voltage, high-current and high-efficiency power electronic systems. It is an ideal choice in the fields of efficient power conversion, motor drive, power management, etc.
* 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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