The STF9NK90Z is a high-performance N-channel Zener-protected Power MOSFET designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This device is part of the MDmesh™ K5 series, which utilizes innovative technology to achieve extremely low on-resistance and optimal switching performance.

Key Features

• Voltage Rating: The STF9NK90Z has a drain-source voltage (V_DS) of 900V, making it suitable for high voltage applications.
• Current Capacity: It can handle a continuous drain current (I_D) of up to 8A, providing robust power handling capability.
• Low On-Resistance: With an on-resistance (R_DS(on)) of 1.7Ω, this MOSFET ensures high efficiency and low conduction losses.
• Zener-Protected: The built-in Zener diode protects the gate from voltage spikes, enhancing the device's reliability and longevity.
• High dv/dt Capability: This feature ensures the device can withstand fast voltage changes, which is critical in high-speed switching applications.
• TO-220FP Package: The fully molded isolated package provides excellent thermal performance and is compatible with a wide range of heatsinks.

Applications

The STF9NK90Z is designed for a variety of applications that require high voltage and power efficiency. It is commonly used in:

• Switch Mode Power Supplies (SMPS)
• LED Lighting Applications
• High-Efficiency DC-DC Converters
• Motor Control Circuits
• Power Management Functions

Quality and Reliability

STMicroelectronics is committed to delivering products that meet the highest standards of quality and reliability. The STF9NK90Z MOSFET is no exception, as it is designed to provide stable performance over its entire lifespan, even under challenging environmental conditions. This product is RoHS compliant and is manufactured in ISO-certified facilities, ensuring that it meets global regulatory and environmental standards.