The Sunlord SWPA4020S1R0MT is a surface-mount power inductor designed for use in a variety of power management applications. This inductor features a compact 4.0 x 4.0 mm footprint, making it ideal for space-constrained designs. It is characterized by its high saturation current, low DC resistance (DCR), and excellent temperature stability, ensuring efficient and reliable performance in switching power supplies and DC-DC converters.

Applications

• DC-DC converters
• Power supplies for portable devices (e.g., smartphones, tablets)
• LED lighting
• Point-of-Load (POL) regulators
• Noise filtering

Features

• High saturation current allows for handling large current loads without significant inductance drop.
• Low DC resistance (DCR) minimizes power losses and improves efficiency.
• Compact size (4.0 x 4.0 mm) saves board space.
• Surface-mount design simplifies assembly and reduces manufacturing costs.
• Excellent temperature stability ensures consistent performance over a wide temperature range.

Benefits

• Increased efficiency in power conversion circuits due to low DCR.
• Reduced board space allowing for smaller and more compact designs.
• Improved reliability due to high saturation current and temperature stability.
• Lower manufacturing costs due to the surface-mount design.
• Stable performance under varying operating conditions.

The SWPA4020S1R0MT has an inductance value of 1.0 μH (1R0). The specific saturation current and DCR values will vary depending on the frequency and operating conditions. This inductor is constructed using a ferrite core material, which provides high permeability and minimizes core losses. The terminals are typically tin-plated for excellent solderability. This component is designed to meet industry standards for RoHS compliance, ensuring that it is free from hazardous substances.

The SWPA4020S1R0MT is suitable for use in high-frequency switching power supplies. Its robust construction and excellent electrical characteristics make it a reliable choice for demanding applications. It is commonly used in applications where efficiency, size, and reliability are critical design considerations. The inductor is typically reflow soldered onto the PCB.