The SRN4018TA-220M is a semi-shielded power inductor manufactured by Bourns Inc. This inductor is designed for use in a variety of power conversion and filtering applications. Its semi-shielded construction provides a balance between cost-effectiveness and reduced electromagnetic interference (EMI), making it suitable for applications where some EMI suppression is required but a fully shielded inductor is not necessary.

Applications

• DC-DC converters for voltage regulation.
• Power supplies in electronic devices.
• EMI filtering to reduce electromagnetic interference.
• Buck and boost converters for efficient power conversion.
• Point-of-load (POL) regulators in distributed power systems.

Features

• Semi-Shielded Construction: Offers a good balance between EMI reduction and cost.
• Compact Size: Small footprint for space-constrained applications.
• High Current Capability: Designed to handle significant current loads without saturation.
• Low DC Resistance (DCR): Improves efficiency by minimizing power loss.
• High Inductance Value: Provides effective energy storage for power applications. Inductance value is 22µH.

Benefits

• Reduced EMI: Semi-shielding minimizes interference with surrounding components, improving system performance.
• Space Savings: Compact design allows for higher component density on circuit boards.
• Efficient Power Conversion: Low DCR reduces power losses, improving overall system efficiency.
• Stable Performance: High-quality materials ensure reliable operation over a wide range of conditions.
• Cost effective: Semi shielded design balances performance with cost.

Additional Details

The SRN4018TA-220M inductor features a ferrite core and is designed for surface mount technology (SMT). Key specifications include an inductance of 22µH, a tolerance of typically ±20%, a saturation current rating, and a low DC resistance. It is RoHS compliant, ensuring environmental safety. Detailed electrical characteristics, physical dimensions, and soldering recommendations can be found in the product datasheet provided by Bourns Inc.