The CDRH50D18RHF-3R3NC is a shielded power inductor manufactured by Sumida America Components Inc. Power inductors are essential components in power electronics circuits, used for energy storage and filtering. They are commonly found in DC-DC converters, power supplies, and other applications requiring efficient power management.

Applications:

• DC-DC Converters: Used in step-up (boost), step-down (buck), and other DC-DC converter topologies for voltage regulation.
• Power Supplies: Employed in switching power supplies for filtering and energy storage to ensure stable output voltage.
• Portable Devices: Utilized in smartphones, tablets, laptops, and other portable devices for power management.
• LED Lighting: Used in LED drivers for current regulation and filtering, ensuring consistent brightness.
• Automotive Electronics: Integrated into automotive electronic systems for various power applications, such as engine control and infotainment.

Features:

• Shielded Construction: Features a shielded design to minimize electromagnetic interference (EMI).
• High Current Capacity: Designed to handle high DC currents without significant inductance degradation.
• Low DC Resistance (DCR): Low DCR minimizes power losses due to resistive heating, improving efficiency.
• Compact Size: Offers a small footprint for space-constrained applications. The '50D18' suggests a 5.0mm x 5.0mm footprint and 1.8mm height.
• RoHS Compliant: Compliant with RoHS (Restriction of Hazardous Substances) directives.

Benefits:

• Reduced EMI: The shielded construction significantly reduces electromagnetic interference, improving overall system performance and reducing noise.
• High Efficiency: Low DCR minimizes power losses, leading to higher efficiency in power conversion circuits.
• Stable Inductance: Provides stable inductance over a wide range of temperatures and DC bias currents.
• Reliable Performance: Designed for reliable operation in demanding power electronic applications.
• Environmentally Friendly: RoHS compliance ensures the product is environmentally friendly.

Additional Details:

The CDRH50D18RHF-3R3NC's part number provides key specifications. The '3R3NC' indicates an inductance value of 3.3 μH (microhenries). The 'RHF' likely signifies RoHS Halogen Free compliance. The inductor is typically surface mount (SMD). The datasheet will specify saturation current, SRF (Self-Resonant Frequency) and Q factor. The core material is likely a ferrite composition. Packaging is typically tape and reel for automated assembly.