The BSC019N08NS5ATMA1 is a high-performance OptiMOS™ 5 power MOSFET from Infineon Technologies. This N-channel MOSFET is specifically designed for synchronous rectification and other high-efficiency power conversion applications. It features ultra-low on-state resistance (Rds(on)) and optimized switching behavior, contributing to significant efficiency gains and reduced power losses.

Applications:

• Synchronous Rectification in DC-DC converters
• Secondary Side Rectification
• High-frequency switching power supplies
• Battery Management Systems (BMS)
• Server Power Supplies

Features:

• Ultra-low on-state resistance (Rds(on))
• Optimized for synchronous rectification
• Low gate charge (Qg) and gate resistance (Rg)
• Avalanche rated
• OptiMOS™ 5 Technology
• Pb-free terminal plating; RoHS compliant

Benefits:

• Enables very high efficiency and reduced power losses
• Improved thermal performance
• Increased power density
• Simplified thermal management
• Enhanced system reliability

Additional Details:

The BSC019N08NS5ATMA1 has a drain-source voltage (Vds) of 80V and a continuous drain current (Id) of up to 128A (depending on package and thermal conditions). Its ultra-low Rds(on) minimizes conduction losses, leading to significant efficiency improvements in power conversion circuits. The optimized switching characteristics reduce switching losses, further enhancing overall efficiency, especially in high-frequency applications. The device is typically available in a leadless SMD package that promotes efficient heat dissipation. The avalanche rating ensures that the MOSFET can withstand voltage transients, increasing system robustness. The use of OptiMOS™ 5 technology guarantees superior performance and reliability.

This MOSFET is frequently employed in server power supplies where efficiency and power density are critical. It is also used in secondary-side rectification to reduce power losses in DC-DC converters. The low gate charge allows for fast switching speeds, which improves efficiency. The avalanche rating ensures the device can withstand spikes in voltage and improve overall system reliability. The Pb-free and RoHS compliant aspects ensure that it meets environmental regulations.