The STWA40N90K5 is a state-of-the-art power MOSFET designed and manufactured by STMicroelectronics, a leader in semiconductor solutions. This advanced power device is engineered to meet the demanding requirements of high-efficiency energy conversion in applications such as switch-mode power supplies, solar inverters, UPS systems, and high-performance drives.

Key Features

• High Voltage Capability: The STWA40N90K5 boasts a high drain-source voltage (V<sub>DS) of 900V, which enables it to handle the high voltage levels commonly encountered in industrial power applications.
• Low On-Resistance: With an on-resistance (R<sub>DS(on)) of only 0.09 ohms, this MOSFET ensures minimal conduction losses, contributing to the overall efficiency of the system.
• Fast Switching Performance: The device's fast switching characteristics are ideal for applications requiring high-frequency operation, thereby reducing switching losses and improving performance.
• High Current Capacity: The STWA40N90K5 can handle continuous drain currents up to 40A, making it suitable for high-power applications.
• Enhanced Ruggedness: The MOSFET is designed for enhanced ruggedness and reliability, which is critical for industrial and automotive environments where stability and longevity are paramount.
• Low Gate Charge: A low gate charge (Q<sub>G) facilitates efficient gate drive performance, which translates to reduced power dissipation during switching.

Applications

The versatility of the STWA40N90K5 makes it suitable for a wide array of applications, including but not limited to:

• Switch-mode power supplies (SMPS)
• Solar power inverters
• Uninterruptible power supplies (UPS)
• Motor control systems
• Power factor correction (PFC) circuits

Advanced Technology

STMicroelectronics has integrated its cutting-edge MDmesh™ K5 technology into the STWA40N90K5, which combines the benefits of reduced on-resistance and low gate charge with the high-voltage capability. This technology, along with the device's robust package design, ensures optimum performance and reliability for the toughest industrial challenges.

With its combination of high efficiency, reliability, and performance, the STWA40N90K5 from STMicroelectronics represents a superior choice for designers looking to optimize their power conversion systems.