About the Product
The AUIRF4905S is a high-performance P-Channel MOSFET designed for automotive and industrial power applications. With a drain-source voltage rating of -55V and a continuous drain current of -42A, this power transistor delivers reliable switching performance in demanding environments. Its low on-resistance (Rds(on)) ensures minimal conduction losses, making it suitable for high-efficiency designs.

Built with automotive-grade reliability standards (AEC-Q101 qualified), the AUIRF4905S ensures stable operation under harsh conditions, including wide temperature ranges and electrical stress. Its D2PAK surface-mount package provides excellent thermal dissipation, supporting high current loads while maintaining compact PCB design.

Key Features:

  • -55V, -42A P-Channel MOSFET – Optimized for high-current, low-voltage applications.

  • Low Rds(on): Reduces power losses and improves efficiency.

  • AEC-Q101 Qualified: Meets stringent automotive reliability standards.

  • D2PAK Package: Compact design with superior heat dissipation.

  • Wide Temperature Range: Ensures durability in harsh automotive environments.

  • Applications: Automotive power supplies, motor control, DC-DC converters, and industrial switching systems.