The STF19NM50N is a high-performance N-channel Power MOSFET from STMicroelectronics, which is part of the MDmesh™ II Plus™ series. This MOSFET is designed to meet the stringent requirements of power efficiency and energy saving in a wide range of electronic applications. Its state-of-the-art technology ensures optimized on-resistance, dynamic performance, and switching behavior, making it suitable for high-efficiency power supplies, lighting, welding, and other high-power applications.

Key Features

• Voltage Rating: The device is rated for a drain-source voltage of 500 V, making it suitable for high voltage applications.
• Low On-Resistance: The STF19NM50N boasts an extremely low on-resistance of typically 0.19 Ω, which contributes to its high efficiency and reduced power losses during operation.
• High Current Capacity: With a continuous drain current of 17 A, this MOSFET can handle significant power, suitable for demanding applications.
• Low Gate Charge: The low gate charge (Qg) enhances the switching performance, reducing switching losses and enabling high-frequency operation.
• 100% Avalanche Tested: Ensuring reliability and robustness, each device is tested for avalanche ruggedness, which is critical for applications that may experience unexpected voltage spikes.
• Zener-protected: The gate-source is protected with an integrated Zener diode, which provides protection against electrostatic discharge (ESD) and enhances the overall ruggedness of the device.

Applications

The STF19NM50N MOSFET is ideal for a variety of power applications, including:

• Switch Mode Power Supplies (SMPS)
• LED Lighting Systems
• DC-AC Inverters for Solar Power Systems
• Uninterruptible Power Supplies (UPS)
• High-Performance Drives
• Welding Equipment

With its combination of high-voltage capability, low on-resistance, and efficient switching performance, the STF19NM50N is a reliable choice for engineers and designers looking to optimize their power management solutions.