The STF25N80K5 from STMicroelectronics is a high-performance, N-channel Power MOSFET that is part of the MDmesh™ K5 series. This device is designed to handle a drain-source voltage (V<sub>DS) of up to 800 V, with a drain current (I<sub>D) of 21 A, making it suitable for a wide range of high-voltage applications.

Key Features

• High Voltage Capability: With an 800 V rating, the STF25N80K5 is ideal for applications requiring high voltage operation, providing reliable performance in demanding conditions.
• Low On-Resistance: The MOSFET features a low on-resistance of typically 0.135 Ω, which enhances its efficiency by minimizing conduction losses.
• High Current Rating: Capable of handling continuous drain currents up to 21 A, this MOSFET can manage significant power levels, suitable for industrial and power management applications.
• Reduced Gate Charge: The device has been optimized to achieve low gate charge (Q<sub>g), which reduces switching losses and improves overall efficiency, especially in high-frequency switching applications.
• 100% Avalanche Tested: Ensures robustness and reliability of the MOSFET by guaranteeing it can withstand high-energy pulses in the avalanche and commutation modes.
• Improved dv/dt Capability: The STF25N80K5 is designed to handle high dv/dt rates, making it suitable for fast-switching applications without the risk of destructive failure.
• TO-220FP Package: The device is housed in a fully molded TO-220FP package, which provides good thermal performance and is suitable for through-hole mounting, simplifying the assembly process.

Applications

The STF25N80K5 Power MOSFET is designed for a variety of applications, including:

• Switch Mode Power Supplies (SMPS)
• LED Lighting
• High-Efficiency DC-DC Converters
• Motor Control
• Welding Equipment
• Uninterruptible Power Supplies (UPS)
• Automotive Applications

With its robust design and advanced technology, the STF25N80K5 from STMicroelectronics is a reliable choice for designers looking to improve the efficiency and performance of their high-voltage power systems.