The LMNR4012T221M is a Taiyo Yuden wound ferrite inductor optimized for power supply circuits and other high-frequency applications. This compact component delivers a significant inductance value within a small footprint, making it ideally suited for space-sensitive designs. Its magnetically shielded construction effectively reduces electromagnetic interference (EMI), ensuring stable and reliable performance in tightly packed electronic assemblies.

Applications:

• DC-DC Converters: Extensively used in step-up and step-down converters to efficiently regulate voltage levels across various applications.
• Power Supplies: An integral component in power supplies for electronic devices, providing stable and clean power delivery.
• Portable Electronics: Ideal for use in smartphones, tablets, and other portable devices, thanks to its compact size and high efficiency.
• LED Lighting Systems: Employed in LED drivers to ensure a constant and reliable current source for consistent lighting performance.
• Wireless Communication Modules: Integrated into wireless modules to facilitate impedance matching and effective signal filtering.

Features:

• High Inductance Value: Offers a 220μH inductance, making it suitable for a wide range of power management and filtering applications.
• Magnetically Shielded: Reduces electromagnetic interference (EMI), which enhances overall circuit stability and performance.
• Compact Form Factor: Its small size (4.0 x 4.0 x 1.2 mm) is perfect for space-constrained application environments.
• High Current Capability: Designed to support a high rated current, allowing for efficient power delivery.
• Wide Operating Temperature Range: Ensures reliable performance across a broad spectrum of operating temperatures.

Benefits:

• Efficient Power Conversion: Facilitates highly efficient power conversion in DC-DC converters and power supplies, minimizing energy loss.
• Reduced EMI: The magnetically shielded design significantly minimizes electromagnetic interference, optimizing overall system performance.
• Space-Efficient Design: Compact size allows for seamless integration into small and portable devices, maximizing space utilization.
• Stable Performance: Delivers stable inductance and current handling, ensuring consistent performance under diverse operating conditions.
• Reliable Operation: Engineered for durable and dependable performance in demanding electronic applications.

Additional Details:

The LMNR4012T221M inductor features a ferrite core and is wound with premium-grade copper wire to achieve low DC resistance and high efficiency. Compliant with RoHS standards, it ensures environmental compatibility. Its key specifications include an inductance tolerance of ±20%, a rated current typically ranging from 0.4A to 0.6A (depending on specific test conditions), and a carefully optimized self-resonant frequency (SRF) for high-frequency operation. The inductor's compact dimensions, robust construction, and electrical characteristics make it an essential component for advanced electronic designs.