The SWPA3012S2R2MT from Sunlord is a compact, shielded power inductor designed for a wide array of power management applications. The device features a small footprint and effective EMI suppression. The designation '2R2' indicates an inductance of 2.2 µH.

Applications

• DC-DC Converters: Used extensively in buck, boost, and buck-boost converters.
• Power Supplies: Found in regulated power supplies for consumer and industrial electronics.
• Mobile Devices: Utilized in smartphones, tablets, and wearable devices.
• LED Lighting: Employed in LED driver circuits for stable current control.
• Voltage Regulators: Used in point-of-load (POL) voltage regulators.

Features

• Shielded Construction: Reduces electromagnetic interference (EMI) and noise.
• Compact Size: 3.0 x 3.0 x 1.2 mm dimensions save board space.
• High Current Handling: Supports substantial DC current without saturation.
• Low DC Resistance (DCR): Minimizes power loss and maximizes efficiency.
• Surface Mount Technology (SMT): Compatible with automated assembly processes.

Benefits

• Improved Efficiency: Low DCR minimizes power dissipation, leading to increased efficiency.
• Reduced EMI: Shielded design reduces electromagnetic radiation, ensuring cleaner signal integrity.
• Space Saving: Compact size enables high-density circuit layouts.
• Reliable Performance: Robust design ensures stable operation in demanding conditions.
• Simplified Manufacturing: SMT compatibility streamlines assembly.

Additional Details

The SWPA3012S2R2MT inductor is built with a ferrite core, which provides a good balance of inductance and saturation current characteristics. It is fully RoHS compliant, meeting environmental regulations concerning hazardous materials. Its typical operating temperature ranges from -40°C to +125°C. The saturation current is approximately 2.0A, while the rated current is around 1.8A. In practical applications, this inductor smooths out current flow in DC-DC converters, reducing ripple and improving overall regulation. Given the shielded design, this part is suitable for use in close proximity to sensitive analog components where EMI is a major consideration.