STL325N4LF8AG STMicroelectronics

STL325N4LF8AG STMicroelectronics

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The STL325N4LF8AG by STMicroelectronics is a cutting-edge MOSFET device designed for high-efficiency power management tasks. Engineered using ST’s advanced technology, this MOSFET provides an optimal balance between low on-resistance and high switching performance, making it an ideal choice for a wide range of applications.



The STL325N4LF8AG MOSFET a comprehensive set of features designed to meet the demanding requirements of modern electronic systems. Its design and technical specifications offer significant advantages in power management and efficiency. Here’s a detailed look at its features:

Low On-Resistance (Rds(on))

The STL325N4LF8AG is characterized by its exceptionally low on-resistance, which ensures minimal voltage drop across the device when it’s in the conducting state and reduces power losses. This feature is critical for applications requiring high efficiency and low heat generation.

High Drain-Source Voltage (Vds)

With a high drain-source breakdown voltage, this MOSFET can handle significant voltage levels, making it suitable for various high-voltage applications. This capability is essential for ensuring the reliability and safety of the device in systems exposed to high voltage conditions.

High Current Capacity

The STL325N4LF8AG is designed to support high current throughput, which is vital for power-intensive applications. This high current capacity enables the device to deliver the necessary power for demanding loads without compromising performance.

Fast Switching Speed

Fast switching capabilities are a hallmark of this MOSFET, reducing transition losses and improving efficiency in high-frequency switching applications. This feature is particularly beneficial in switching power supplies and DC-DC converters, where speed and efficiency are paramount.

Enhanced Thermal Performance

STMicroelectronics has engineered the STL325N4LF8AG with an optimized package for superior thermal management. Efficient heat dissipation ensures the device operates reliably under various thermal conditions, extending its service life and enhancing system stability.

Robustness and Durability

The MOSFET is built to withstand harsh operating environments, offering features like high energy pulse withstand capability and resistance to voltage spikes. This robustness ensures the device’s reliability and longevity, particularly in automotive and industrial applications.

Low Gate Charge (Qg)

A low gate charge allows for faster switching and reduced driving power, enhancing the overall efficiency of the MOSFET. This feature is crucial for applications where power conservation and fast response times are necessary.

Integrated Protection Features

With built-in protection mechanisms against over-temperature, over-current, and electrostatic discharge (ESD), the STL325N4LF8AG ensures operational safety and reliability, protecting both the MOSFET and the system it’s integrated into from unexpected conditions.


These features make the STL325N4LF8AG an excellent choice for designers and engineers seeking a high-performance, reliable, and efficient MOSFET for their power management applications across a broad range of industries.



The STL325N4LF8AG is designed for efficient power management and conversion across a broad spectrum of applications. Its features such as low on-resistance, high current handling, fast switching speeds, and robust thermal performance make it ideal for use in various sectors. Here are some common applications where a device like the STL325N4LF8AG might be employed:

1. Power Supply Units (PSUs)

  • In desktop computers, servers, and telecom equipment, the STL325N4LF8AG can be used in the switching regulators to improve efficiency and reduce heat dissipation.

2. DC-DC Converters

  • Portable devices, automotive electronics, and renewable energy systems often require efficient DC-DC conversion to manage battery power effectively or to interface different parts of the electrical system.

3. Motor Drives and Controllers

  • Electric vehicles (EVs), industrial machinery, and consumer appliances use MOSFETs in their motor control circuits to regulate speed, torque, and direction with high precision and efficiency.

4. Renewable Energy Systems

  • In solar inverters and wind turbine controllers, the STL325N4LF8AG can be utilized to manage the conversion of renewable energy sources into usable electrical power with minimal losses.

5. Automotive Applications

  • Beyond electric vehicle powertrains, MOSFETs are used in automotive lighting, advanced driver-assistance systems (ADAS), and other power management systems within vehicles.

6. LED Lighting Drivers

  • For both commercial and residential LED lighting solutions, MOSFETs regulate the power to ensure efficient, stable operation of the lighting systems.

7. Battery Management Systems (BMS)

  • In battery packs for electric vehicles, portable electronics, and energy storage systems, MOSFETs play a crucial role in managing charging and discharging processes to optimize battery life and safety.

8. High-Performance Computing and Networking

  • Power MOSFETs are used in the power supply circuits of data centers and networking equipment to ensure stable, efficient power for high-performance computing tasks.

9. Consumer Electronics

  • In products like laptops, smartphones, and tablets, MOSFETs are integral to power management solutions that extend battery life and enhance device performance.

10. Industrial and Home Automation

  • MOSFETs are used in automated systems and smart home devices for controlling power to motors, actuators, and other components, contributing to the efficiency and reliability of automation systems.

The STL325N4LF8AG, with its advanced technology and robust performance, is well-suited to these applications and more, offering designers a reliable component for their power management and conversion needs across a diverse range of industries.



The STL325N4LF8AG, brings several advantages to electronic systems and applications due to its design and technological features. These benefits are critical for enhancing performance, efficiency, and reliability in various applications. Here are some of the key advantages:

1. High Efficiency

  • The low on-resistance (Rds(on)) characteristic of the STL325N4LF8AG minimizes conduction losses, which directly contributes to higher energy efficiency in applications such as power supplies, DC-DC converters, and motor drives. This is crucial for reducing heat generation and improving overall system performance.

2. Fast Switching Capability

  • Fast switching speeds reduce the time spent in the transition between on and off states, minimizing switching losses. This feature is particularly beneficial in applications requiring high-frequency operation, such as switching regulators and power inverters, leading to improved efficiency and performance.

3. Robust Thermal Management

  • The STL325N4LF8AG is designed with an optimized package that enhances thermal dissipation. Efficient heat management ensures stable operation under various conditions and extends the lifespan of the device, especially in high-power and high-temperature applications.

4. High Current Handling

  • With its ability to handle high currents, the STL325N4LF8AG is suitable for power-intensive applications, providing the necessary headroom for high-load scenarios without compromising performance or reliability.

5. Durability and Reliability

  • The device is engineered to withstand harsh operating conditions, including high energy pulses and voltage spikes. Such ruggedness ensures reliability and a longer operational life, which is critical in automotive, industrial, and renewable energy applications.

6. Integrated Protection Features

  • Features like over-temperature protection, over-current protection, and electrostatic discharge (ESD) protection enhance the durability and reliability of the MOSFET, safeguarding against operational anomalies and external disturbances.

7. Compact and Flexible Design

  • The packaging of the STL325N4LF8AG is designed to be compact, allowing for flexibility in PCB design and integration into various electronic systems without requiring significant space, which is advantageous in applications with space constraints.

8. Compliance with Environmental Standards

  • Adherence to environmental regulations such as RoHS and REACH demonstrates STMicroelectronics’ commitment to sustainability and allows the STL325N4LF8AG to be used in applications and markets with strict environmental compliance requirements.

9. Wide Application Range

  • The combination of these features makes the STL325N4LF8AG versatile for a wide range of applications, from consumer electronics and automotive systems to industrial machinery and renewable energy solutions, providing designers with a reliable and efficient component for their power management needs.

The advantages of the STL325N4LF8AG highlight STMicroelectronics’ focus on providing high-performance, reliable, and efficient power MOSFETs for diverse applications, addressing the growing demand for energy-efficient and high-performance electronic components.



Product Attribute Attribute Value
Manufacturer: STMicroelectronics
Product Category: MOSFET
Transistor Polarity: N-Channel
Qualification: AEC-Q101
Packaging: Reel
Packaging: Cut Tape
Brand: STMicroelectronics
Product Type: MOSFET
Subcategory: MOSFETs
Unit Weight: 0.002681 oz



STL325N4LF8AG STMicroelectronics Datasheet


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