The CDRH5D18-4R1 is a wire-wound shielded power inductor manufactured by Advanced Analog Technology. This inductor is designed for use in power supply circuits, DC-DC converters, and other applications requiring efficient energy storage and filtering. It features a compact size and a shielded construction to minimize electromagnetic interference (EMI).

Applications:

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting DC-DC converters.
• Power Supplies: Employed in power supplies for filtering and energy storage.
• LED Lighting: Integrated into LED driver circuits for current regulation and filtering.
• Portable Devices: Utilized in smartphones, tablets, and other portable devices for power management.
• Automotive Electronics: Found in automotive control units (ECUs) and other automotive systems.

Features:

• Wire-Wound Construction: Provides high current carrying capacity and low DC resistance.
• Shielded Construction: Minimizes electromagnetic interference (EMI) and reduces noise.
• Compact Size: Features a small footprint for space-constrained applications.
• High Saturation Current: Offers a high saturation current rating, ensuring stable performance under high current conditions.

Benefits:

• Efficient Energy Storage: Provides efficient energy storage for DC-DC conversion and power supply applications.
• Low EMI: The shielded construction minimizes electromagnetic interference (EMI).
• High Reliability: Designed for reliable operation in demanding environments.

Additional Details:

The CDRH5D18-4R1 inductor has an inductance value of 4.1 µH (microhenries). The DC resistance is typically low, minimizing power losses. The saturation current and rated current are important parameters that determine the inductor's ability to handle high currents without significant inductance drop or overheating. Refer to the datasheet for detailed specifications, including inductance tolerance, DC resistance, saturation current, and rated current.