The AUIRFZ44ZSTRR is a 55V, 47A MOSFET from International Rectifier (now Infineon Technologies). This MOSFET is designed for high-speed switching applications, providing efficient performance with a low on-resistance (Rds(on)). It is suitable for a wide range of power electronic applications.

Applications

• DC-DC converters
• Motor drives
• Power inverters
• Uninterruptible Power Supplies (UPS)
• Switch Mode Power Supplies (SMPS)

Features

• Low On-Resistance (Rds(on)): Reduces conduction losses and improves efficiency.
• High Current Capability: 47A continuous drain current.
• Fast Switching Speed: Reduces switching losses and improves efficiency.
• Logic Level Gate Drive: Allows for direct drive from microcontrollers.
• Avalanche Energy Rated: Ensures ruggedness and reliability.

Benefits

• Improved Efficiency: Low Rds(on) and fast switching speed minimize power losses, leading to higher overall system efficiency.
• Enhanced Reliability: Avalanche energy rating ensures robust operation and long-term reliability.
• Simplified Design: Logic level gate drive simplifies interface with microcontrollers.
• Increased Power Density: High current capability allows for more compact and efficient designs.
• Reduced Cooling Requirements: Lower power dissipation reduces the need for extensive cooling.

Additional Details

The AUIRFZ44ZSTRR is typically packaged in a D-PAK (TO-252) or similar surface-mount package. Key specifications include a typical Rds(on) of around 17.5 mΩ, and a gate charge (Qg) of approximately 30 nC. It is designed to operate over a wide temperature range.