The IRFR420A is an N-Channel power MOSFET from International Rectifier. It is designed for high-efficiency power switching applications requiring surface mount solutions. This device is characterized by its low on-resistance and gate charge, making it suitable for a range of power management tasks. Its construction ensures reliable performance even in demanding conditions.

Applications:

• DC-DC converters
• Power management in automotive systems
• Uninterruptible Power Supplies (UPS)
• Motor control circuits
• High-frequency switching power supplies

Features:

• N-Channel MOSFET: Facilitates efficient switching performance.
• Low RDS(on): Reduces conduction losses, enhancing efficiency.
• Low Gate Charge (Qg): Minimizes driver power requirements and improves switching speed.
• Avalanche Rated: Provides robustness against voltage transients and inductive loads.
• Surface Mount Package (DPAK): Enables compact and efficient designs.
• Lead-Free: Compliant with environmental standards, reducing hazardous substances.

Benefits:

• High Efficiency: The low on-resistance minimizes power dissipation, resulting in higher efficiency.
• Fast Switching: Reduces switching losses and improves overall performance.
• Robustness: Avalanche rating ensures protection against voltage spikes.
• Simplified Design: Lower gate charge simplifies driver circuit design.
• Reliability: Designed for stable and long-term operation in demanding environments.

Additional Details:

The IRFR420A typically features a voltage rating of 200V and a continuous drain current of approximately 3.6A. Its DPAK (TO-252) package is optimized for surface mounting and effective heat dissipation. The device’s thermal resistance properties ensure efficient heat transfer, supporting reliable operation even at elevated power levels. This MOSFET is an excellent choice for applications where efficiency, robustness, and compact size are critical.