STW40N90K5 - Power MOSFET by STMicroelectronics

The STW40N90K5 is a high-performance N-channel Power MOSFET produced by STMicroelectronics, a leader in semiconductor solutions. This device is part of the MDmesh™ K5 series which utilizes innovative technology to achieve outstanding energy efficiency. The STW40N90K5 is designed to meet the rigorous demands of power electronics applications, offering a combination of low on-resistance and high switching speeds.

Key Features

• Voltage Rating: The STW40N90K5 boasts a high drain-source voltage (V<sub>DS) of 900V, making it suitable for high voltage applications.
• Current Capacity: With a continuous drain current (I<sub>D) of 40A, this MOSFET can handle significant power without overheating.
• Low On-Resistance: A low R<sub>DS(on) of 0.065Ω minimizes conduction losses and improves overall efficiency.
• Fast Switching: The device is designed for fast switching, reducing switching losses and improving performance in high-frequency circuits.
• High dv/dt Capability: Built to withstand high voltage changes over time, enhancing reliability in demanding conditions.

Applications

The STW40N90K5 is well-suited for a variety of applications, including:

• Switch Mode Power Supplies (SMPS)
• Uninterruptible Power Supplies (UPS)
• High Performance Drives
• Welding Equipment
• Solar Inverters
• High Frequency Converters

Advanced Technology

STMicroelectronics' MDmesh™ K5 technology is at the core of the STW40N90K5, featuring a proprietary vertical structure that enhances carrier mobility and lowers on-state resistance. This technology, combined with the device's robust package, ensures optimal thermal performance and reliability.

Package and Environmental Compliance

The STW40N90K5 is available in a TO-247 package, which is widely recognized for its ability to handle high power levels and its ease of mounting on a heat sink. Furthermore, the product is compliant with RoHS and Halogen-Free standards, reflecting STMicroelectronics' commitment to environmental sustainability.