The Coilcraft XAL4040-153MEB is a shielded power inductor designed for high-current, low-DC-resistance applications in power supplies and DC-DC converters. This inductor features a compact size and a robust construction, making it suitable for demanding environments. Its shielded design minimizes electromagnetic interference (EMI), ensuring clean and efficient power delivery.

Applications:

• DC-DC Converters: Used in step-up, step-down, and inverting DC-DC converters to store energy and regulate voltage.
• Power Supplies: Employed in power supplies for computers, servers, and other electronic devices to filter and smooth DC voltage.
• Point-of-Load (POL) Regulators: Utilized in POL regulators to provide stable and efficient power to sensitive electronic components.
• Battery-Powered Devices: Integrated into battery-powered devices such as smartphones, tablets, and laptops for power management.
• LED Lighting: Used in LED drivers to regulate current and provide stable power to LEDs.

Features:

• Shielded Construction: Minimizes electromagnetic interference (EMI) to reduce noise and improve system performance.
• Low DC Resistance (DCR): Reduces power losses and improves efficiency.
• High Current Capability: Handles high currents without saturating, ensuring stable performance.
• Compact Size: Allows for integration into densely populated circuit boards.
• RoHS Compliant: Meets RoHS (Restriction of Hazardous Substances) directives, ensuring environmental compliance.

Benefits:

• Reduced EMI: Shielded construction minimizes EMI, preventing interference with other electronic components.
• Improved Efficiency: Low DCR reduces power losses, improving efficiency and reducing heat dissipation.
• Stable Performance: High current capability ensures stable performance under high load conditions.
• Space Saving: Compact size allows for integration into small devices.
• Environmentally Friendly: RoHS compliance ensures environmental safety.

Additional Details:

The XAL4040-153MEB's inductance value is 15 µH with a tolerance of ±20%. It has a saturation current rating that indicates the maximum current the inductor can handle before its inductance drops significantly. The inductor is designed to operate over a wide temperature range. The core material is chosen to minimize core losses and maximize efficiency. The terminals are designed for surface mounting and provide reliable solder connections. The datasheet provides detailed electrical characteristics, mechanical dimensions, and application notes to aid in system design.