The SWPA8040S4R7MT from Sunlord is a high-current power inductor designed for use in a wide range of power management applications. This surface-mount inductor features a shielded construction to minimize EMI and is designed for high-efficiency DC-DC conversion.

Applications

• DC-DC Converters: Commonly used in step-up, step-down, and buck-boost converters for efficient voltage regulation.
• Power Supplies: Employed in various power supply designs for filtering and energy storage.
• Point-of-Load (POL) Converters: Suitable for providing stable voltage to sensitive electronic components.
• LED Lighting: Used in LED driver circuits to provide constant current and voltage regulation.
• Automotive Electronics: Found in various automotive systems, including engine control and infotainment systems.

Features

• Shielded Construction: Provides excellent EMI suppression, minimizing interference with other components in the system.
• High Saturation Current: Designed to handle high DC currents without significant inductance drop.
• Wire-Wound Construction: Offers low DC resistance (DCR) for improved efficiency and reduced power losses.
• Surface Mount Technology (SMT): Enables automated assembly and reduces manufacturing costs.
• Operating Temperature Range: Wide operating temperature range for reliable operation in various environments.

Benefits

• Reduced EMI: Shielded design minimizes electromagnetic interference, improving overall system performance.
• High Efficiency: Low DCR minimizes power dissipation, resulting in higher overall system efficiency.
• Stable Performance: High saturation current ensures consistent inductance under varying load conditions.
• Simplified Assembly: SMT construction facilitates automated assembly and reduces manufacturing costs.
• Reliable Operation: Robust design ensures stable performance over a wide range of operating conditions.

Additional Details

The SWPA8040S4R7MT has an inductance value of 4.7µH. It is RoHS compliant. Its construction uses materials that minimize core losses at high frequencies. The physical dimensions contribute to efficient heat dissipation, further enhancing its reliability.