The SI4901-B-GL is a P-Channel 20-V (D-S) MOSFET from Silicon Labs designed for load switching and power management applications. This MOSFET is designed to minimize conduction losses and provide efficient switching performance, making it suitable for battery-powered devices and portable equipment.

Applications

• Load Switching
• Power Management Circuits
• DC-DC Converters
• Battery-powered devices
• Portable Equipment

Features

• P-Channel MOSFET
• Low On-Resistance (RDS(on))
• 20V Drain-Source Voltage (VDS)
• Fast Switching Speed
• Surface Mount Package
• Halogen-Free According to IEC 61249-2-21 Definition

Benefits

• Reduced Power Loss: Low RDS(on) minimizes conduction losses, improving energy efficiency.
• Efficient Switching: Fast switching speed reduces switching losses.
• Compact Design: Surface mount package allows for high-density circuit board designs.
• Extended Battery Life: Improved efficiency translates to longer battery life in portable applications.
• Environmentally Friendly: Halogen-free construction.

Technical Specifications

The SI4901-B-GL has a drain-source voltage (VDS) of 20V. The gate-source voltage (VGS) is typically ±12V. It features a low on-resistance (RDS(on)), which varies depending on the gate-source voltage applied. The device comes in a surface mount package, which is optimized for automated assembly and high-density board layouts. It is designed to operate over a wide temperature range. The specific RDS(on) values and other performance characteristics can be found in the product datasheet.