STMicroelectronics STW12NK90Z N-Channel MOSFET 900V 11A TO-247-3

High-Performance Power Solutions with the STW12NK90Z N-Channel MOSFET

In the ever-evolving landscape of power electronics, the STW12NK90Z N-Channel MOSFET from STMicroelectronics stands as a testament to innovation and reliability. Designed for demanding applications requiring robust voltage handling and efficient current management, this 900V, 11A MOSFET combines cutting-edge SuperMESH™ technology with industrial-grade durability. Whether you're developing high-voltage power supplies, motor control systems, or renewable energy inverters, the STW12NK90Z delivers exceptional performance in a compact TO-247-3 package.

Technical Excellence in Power Semiconductor Design

At the heart of the STW12NK90Z lies STMicroelectronics' advanced MOSFET architecture, optimized for minimal conduction losses while maintaining superior thermal stability. With an impressive 900V drain-source voltage rating, this device excels in high-voltage environments where reliability is paramount. The N-channel configuration supports continuous drain currents up to 11A at 25°C, making it ideal for applications requiring sustained power delivery without thermal degradation.

The device's 880mΩ RDS(on) at 5.5A and 10V gate-source voltage ensures minimal power loss during operation, translating to improved system efficiency and reduced heat generation. This specification becomes particularly critical in high-frequency switching applications where thermal management directly impacts component lifespan and overall system reliability. The ±30V gate-source voltage tolerance provides additional design flexibility while maintaining robust protection against voltage spikes.

Advanced Features for Demanding Applications

Engineered for modern power conversion systems, the STW12NK90Z incorporates several features that enhance its versatility across various industries. The 4.5V gate threshold voltage at 100μA enables efficient gate drive control, while the 3500pF input capacitance at 25V ensures stable operation in high-frequency circuits. These characteristics make it particularly suitable for:

Key Applications

- Industrial motor drives and variable frequency drives
- Renewable energy systems (solar inverters, wind turbine controllers)
- High-voltage DC-DC converters
- Uninterruptible power supply (UPS) systems
- Industrial automation and control equipment

The TO-247-3 package combines mechanical robustness with excellent thermal dissipation properties, allowing the device to maintain optimal performance even under heavy load conditions. The through-hole mounting configuration ensures reliable PCB integration, while the device's 230W maximum power dissipation rating at case temperature demonstrates its capability to handle demanding power requirements.

Design Advantages and System Benefits

Design engineers will appreciate the STW12NK90Z's balanced performance characteristics that simplify circuit design while enhancing system reliability. The device's operating temperature range of -55°C to 150°C ensures stable operation across extreme environmental conditions, making it suitable for both industrial and automotive applications. The SuperMESH™ technology employed in its fabrication provides superior avalanche energy ratings, enhancing the device's resilience against voltage transients.

When integrating this MOSFET into power systems, designers benefit from:

Performance Benefits

• Reduced conduction losses through optimized RDS(on)
• Enhanced thermal management via TO-247-3 packaging
• Improved switching efficiency with controlled gate charge
• Robust protection against voltage spikes and transients
• Extended operational lifespan in demanding environments

Quality and Reliability Assurance

As part of STMicroelectronics' extensive power semiconductor portfolio, the STW12NK90Z undergoes rigorous quality control processes to meet industry standards. The device maintains full compliance with RoHS regulations and operates within the active product status classification, ensuring long-term supply stability for production environments. Its tube packaging format facilitates easy handling and storage while maintaining component integrity during logistics and assembly processes.

Conclusion: The Preferred Choice for High-Voltage Applications

The STW12NK90Z N-Channel MOSFET represents a perfect balance between high-voltage capability and efficient current handling. Its comprehensive feature set addresses the challenges faced in modern power electronics design, offering engineers a reliable component for creating robust and efficient systems. Whether you're developing industrial automation equipment, renewable energy systems, or high-voltage power supplies, this STMicroelectronics device delivers the performance, reliability, and design flexibility required to meet today's demanding engineering challenges.

Tags: N-Channel MOSFET, High Voltage, Power Management, Industrial Electronics, TO-247 Package