Overview of STP4N90K5 Power MOSFET

The STP4N90K5 is a robust Power MOSFET device from STMicroelectronics, designed to deliver high efficiency and reliability for a wide range of applications. This N-channel MOSFET is built using an advanced MDmesh™ K5 technology which incorporates a vertical structure to ensure optimal RDS(on) per area, minimizing on-state resistance and maximizing power efficiency.

Key Features

• High Voltage Capability: The STP4N90K5 is capable of handling high voltages, with a drain-source voltage (V_DS) of up to 900V, making it suitable for high voltage applications.
• Low On-Resistance: With an RDS(on) value as low as 3.3 Ohm, this MOSFET ensures minimal power loss during operation, thus enhancing overall system efficiency.
• Low Gate Charge: The device features a low gate charge (Q_g), which reduces switching losses and enables faster switching operations.
• High dv/dt Capability: The STP4N90K5 is designed to withstand high voltage transients, ensuring reliability in harsh environments.
• Zener-Protected: The inclusion of a built-in Zener diode provides protection against gate voltage peaks, enhancing the MOSFET's robustness.

Applications

The versatility of the STP4N90K5 allows it to be used in a variety of applications, including:

• Switched Mode Power Supplies (SMPS)
• LED lighting solutions
• High-frequency converters
• Power factor correction circuits
• Motor control applications

Package and Environmental Compliance

The STP4N90K5 is available in a TO-220 package, known for its excellent thermal performance and ease of mounting. Moreover, it complies with the RoHS directive, ensuring that it meets the current environmental standards for electronic components.

Conclusion

With its combination of high voltage capability, low on-resistance, and fast switching performance, the STP4N90K5 from STMicroelectronics is an excellent choice for designers seeking a reliable and efficient power MOSFET solution. Its robust design and compliance with environmental standards make it a sustainable and future-proof option for a wide array of power applications.