The SWPA8040S471MT from Sunlord is a shielded, wire-wound power inductor designed for high-current applications in DC-DC converters and power management circuits. This surface-mount inductor is ideal for applications requiring high efficiency, low EMI, and stable performance under varying load conditions.

Applications

• DC-DC Converters: Used in step-up (boost), step-down (buck), and buck-boost converters for efficient voltage conversion.
• Power Supplies: Employed in power management units (PMUs) and voltage regulators for stable and efficient power delivery.
• LED Lighting: Integrated into LED driver circuits to provide constant current regulation and high efficiency.
• Automotive Electronics: Found in automotive power systems for various applications, including engine control and infotainment systems.
• Industrial Equipment: Used in power supplies and motor control circuits for industrial automation and control systems.

Features

• Shielded Construction: Minimizes electromagnetic interference (EMI) and ensures stable performance in noisy environments.
• High Saturation Current: Designed to handle large 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): Facilitates automated assembly and reduces manufacturing costs.
• Operating Temperature Range: Wide operating temperature range ensures reliable operation in diverse environments.

Benefits

• Reduced EMI: Shielded design effectively 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.
• Robust Design: Designed for reliable operation in demanding environments.

Additional Details

The SWPA8040S471MT features an inductance value of 470µH (471 indicates 47 x 10^1 µH). It is designed to meet RoHS compliance standards. The core material is optimized for low core losses at high frequencies. The specific winding configuration is designed to maximize current handling capability while maintaining a compact form factor.