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STF14NM50N-VB Product details

Product introduction:

STF14NM50N-VB Product Introduction

STF14NM50N-VB is a single N-channel MOSFET in TO220F package, designed for high voltage applications, with a maximum drain-source voltage (VDS) of up to 550V. It has good conductivity and thermal stability, suitable for various power electronic devices. This MOSFET adopts Plannar technology and has a low on-resistance of 260mΩ (RDS(ON) @ VGS=10V), which can effectively reduce switching losses and provide high current carrying capacity with a maximum drain current of 18A. STF14NM50N-VB is widely used in power management, power tools, motor drives and other high voltage, high power applications. Its high performance and high reliability make it an ideal choice for modern electronic systems.

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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 550V 3V 18A 260mΩ 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 550V 3V 18A Plannar
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO220F Single-N 550V 3V 18A Plannar
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO220F Single-N
STF14NM50N-VB Detailed parameter description

| **Parameter** | **Specification** | **Description** |
|------------------------|------------------------|------------------------------------------------------------|
| **Package** | TO220F | Provides good heat dissipation performance, suitable for high power applications|
| **Configuration** | Single N-channel | Provides efficient current transmission and switching control|
| **Drain-source voltage (VDS)** | 550V | Suitable for medium and high voltage applications with good voltage tolerance|
| **Gate-source voltage (VGS)** | ±30V | Adapts to a wide range of gate drive voltages to ensure stable operation|
| **Threshold voltage (Vth)** | 3V | Minimum voltage required for gate turn-on|
| **On-resistance (RDS(ON))** | 260mΩ @ VGS = 10V | Lower on-resistance helps improve switching efficiency and reduce energy loss|
| **Drain Current (ID)** | 18A | Maximum drain current for applications with higher current loads|
| **Technology Type** | Plannar | Planar technology optimized for high voltage operation|

Domain and module applications:

Typical application areas and modules

1. **Power management and power conversion**
STF14NM50N-VB is an ideal choice for power management systems, especially for high voltage power supply and power conversion applications. Its maximum drain-source voltage of 550V and low on-resistance of 260mΩ make it very suitable for power conversion modules such as switching power supplies (SMPS), DC-DC converters, and AC-DC power adapters. In these systems, STF14NM50N-VB provides efficient voltage conversion and current control, significantly improving system efficiency and reducing power loss.

2. **Power tools and motor drives**
In power tools and home appliance motor drive systems, STF14NM50N-VB can be used as a switching element in the motor control circuit to support motor start, stop, speed regulation and other functions. Its high voltage tolerance and low on-resistance enable it to effectively manage current and voltage in power tools, reduce energy loss and extend equipment life, and is particularly suitable for medium-power power tools.

3. **Industrial Motor Drive System**
STF14NM50N-VB is also widely used in industrial automation and motor drive systems. In the start, stop and speed control of industrial motors, this MOSFET can provide stable switching operation to ensure that the motor runs in an efficient state. Due to its low on-resistance, it can effectively reduce energy loss and improve system efficiency, playing a key role in variable frequency drives and electric mechanical equipment.

4. **Home Appliances and LED Drivers**
STF14NM50N-VB can also be used in power management and control modules in home appliances. Its high voltage tolerance and low on-resistance make it an ideal choice for high-power LED lighting drive systems. By providing efficient current control, STF14NM50N-VB can extend the service life of LEDs and improve the overall energy efficiency of lighting systems. It is widely used in commercial lighting, residential lighting, factory lighting and other fields.

5. **High Voltage Switching Circuits and Inverters**
STF14NM50N-VB is an important component in high voltage switching circuits, especially for inverters and power electronic modules. Its 550V drain-source voltage enables it to operate stably in high voltage applications such as power transmission, renewable energy systems (such as solar inverters), and provide efficient current control and conversion. Whether in solar systems, power inverters or other high voltage power modules, STF14NM50N-VB can provide reliable switching performance and ensure high efficiency and stability in the power conversion process.

6. **Electric Vehicles (EV) and Hybrid Electric Vehicles (HEV)**
In electric vehicles and hybrid electric vehicles, STF14NM50N-VB can be used in modules such as battery management, power conversion and motor drive. Its excellent voltage tolerance and low on-resistance enable it to work efficiently in battery charging and discharging, battery management system (BMS) and drive motors. This MOSFET can improve the energy efficiency of electric vehicle systems, optimize the conversion and distribution of electrical energy, and enhance the endurance of electric vehicles.

With its excellent voltage tolerance and low on-resistance, STF14NM50N-VB provides high performance and high reliability in multiple high-voltage and high-power application fields, and is widely used in power conversion, industrial motor drive, power tools, LED drive, electric vehicles and other application scenarios.
* 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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