The SER1052-322MLC is a shielded power inductor manufactured by Coilcraft. It is designed for use in a variety of power supply and filtering applications, where a compact size and high efficiency are important considerations. This inductor offers a combination of low DC resistance, high saturation current, and excellent current handling capabilities.

Applications:

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting DC-DC converters.
• Power Supplies: Employed in voltage regulators, point-of-load (POL) converters, and other power supply circuits.
• Filtering: Utilized in EMI/RFI filtering and power line filtering applications.
• LED Lighting: Found in LED driver circuits for current regulation and filtering.
• Portable Devices: Suitable for use in battery-powered devices such as smartphones, tablets, and laptops.

Features:

• Shielded Construction: Features a shielded construction to minimize EMI (Electromagnetic Interference).
• Low DC Resistance: Offers low DC resistance for high efficiency and reduced power losses.
• High Saturation Current: Designed with high saturation current to prevent inductance roll-off under high current conditions.
• Compact Size: Small footprint for space-constrained applications.
• RoHS Compliant: Complies with RoHS (Restriction of Hazardous Substances) environmental standards.

Benefits:

• Reduced EMI: Shielded construction minimizes electromagnetic interference, improving system performance.
• High Efficiency: Low DC resistance minimizes power losses, increasing overall system efficiency.
• Stable Inductance: High saturation current ensures stable inductance under high current conditions.
• Space Saving: Compact size allows for use in space-constrained applications.
• Environmentally Friendly: RoHS compliance ensures the product meets environmental standards.

Additional Details:

The SER1052-322MLC has an inductance value of 3.2 µH and a saturation current of approximately 3.8A. Its DC resistance is typically around 0.044 Ohms. The inductor is designed for surface mount assembly. The operating temperature range is typically -40°C to +125°C. The core material is typically a ferrite material optimized for power applications. Detailed datasheets and application notes are available from Coilcraft, providing comprehensive information on electrical characteristics, mechanical dimensions, and application guidelines. It's often used in switching regulators where size and efficiency are crucial.