The STP20N90K5 is a robust and efficient N-channel Power MOSFET designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This MOSFET is part of ST's MDmesh™ K5 series, which is well-known for its high efficiency in a wide range of applications, including switch-mode power supplies, lighting, welding, and solar inverters.

Key Features

• Voltage Rating: The STP20N90K5 boasts a high drain-source voltage (V<sub>DS) of 900V, making it suitable for high-voltage applications.
• Current Capability: It can handle a continuous drain current (I<sub>D) up to 20A, ensuring reliable performance in high-power circuits.
• Low On-Resistance: With an on-resistance (R<sub>DS(on)) of only 0.28Ω, this MOSFET minimizes conduction losses, enhancing overall efficiency.
• Fast Switching: The device features fast switching speeds, which is crucial for reducing switching losses in power conversion systems.
• High dv/dt Capability: Its robust design allows for a high dv/dt rate, providing reliable operation even under harsh conditions.
• Zener-protected: The gate-source of this MOSFET is protected with an integrated Zener diode, safeguarding it against electrostatic discharge (ESD) and enhancing its ruggedness.

Applications

The STP20N90K5 is versatile and can be used in a variety of power applications. Its high efficiency and thermal performance make it an excellent choice for:

• Switch Mode Power Supplies (SMPS)
• LED Lighting Systems
• High-Efficiency DC-DC Converters
• Welding Equipment
• Solar Power Inverters
• Motor Control Systems

Reliability and Performance

STMicroelectronics ensures that the STP20N90K5 meets the highest standards of quality and reliability. The device's silicon technology is optimized for high switching frequencies and low on-state resistance, which are critical for reducing power losses and improving energy efficiency in a compact form factor. With its outstanding electrical characteristics and thermal performance, the STP20N90K5 is a top choice for designers looking to enhance system reliability and performance in high-voltage power applications.