The STP21N90K5 is a state-of-the-art power MOSFET designed and manufactured by STMicroelectronics, a leader in semiconductor solutions. This device is part of the MDmesh™ K5 series, which utilizes innovative technology to offer high voltage super-junction MOSFETs with extremely low on-resistance and gate charge.

Key Features

• High Voltage Rating: With a drain-source voltage (V<sub>DS) of 900V, the STP21N90K5 is well-suited for high voltage applications, ensuring robust performance in demanding environments.
• Low On-Resistance: The on-resistance (R<sub>DS(on)) is exceptionally low, which minimizes conduction losses and enhances efficiency, making it ideal for power conversion applications.
• Reduced Gate Charge: A low gate charge (Q<sub>g) reduces switching losses, which is critical for high-frequency operations and contributes to the overall energy efficiency of the system.
• Fast Recovery Diode: An integrated fast recovery diode provides protection and improves reliability, especially in applications where fast switching is required.
• Zener-Protected: The gate-source is protected by a non-repetitive Zener diode, which safeguards the device from voltage spikes and enhances its ruggedness.

Applications

The STP21N90K5 is versatile and can be used in a wide range of applications, including:

• Switch Mode Power Supplies (SMPS)
• LED Lighting
• Welding Equipment
• High Voltage DC/DC Converters
• Solar Inverters
• Uninterruptible Power Supplies (UPS)

Reliability and Performance

The STP21N90K5 is designed to meet the stringent requirements of industrial applications. It offers a high level of reliability and performance, with a robust thermal design that ensures stability over a wide range of temperatures. Its advanced manufacturing technology also ensures consistent quality and performance across different units.

Environmental Compliance

STMicroelectronics is committed to environmental sustainability. The STP21N90K5 is compliant with RoHS (Restriction of Hazardous Substances) and is designed for eco-friendly applications, reducing the environmental impact of electronic equipment.