The CDRH2D18-3R3NC is a power inductor manufactured by Sumida America Components Inc. It's designed for use in various DC-DC converter applications and provides efficient energy storage while minimizing losses.

Applications

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting converters.
• Power Supplies for Portable Devices: Commonly found in smartphones, tablets, and other battery-powered electronics.
• LED Lighting: Used in LED drivers to regulate current and voltage in lighting applications.
• Voltage Regulators: Integrated into both linear and switching voltage regulators.
• Filtering Applications: Acts as a filter in power lines to reduce unwanted noise and ripple.

Features

• Compact Size: Its small footprint is ideal for space-constrained circuit board designs.
• High Current Handling: Designed to handle substantial DC current without experiencing saturation.
• Low DC Resistance (DCR): Minimizes power loss, contributing to improved efficiency.
• Magnetically Shielded: Reduces electromagnetic interference (EMI) to nearby components.
• Ferrite Core Material: Offers a good balance of inductance and core loss characteristics.

Benefits

• Enhanced Efficiency: Low DCR results in less power dissipation and higher overall efficiency in the power circuit.
• Reduced EMI: Magnetic shielding minimizes the emission of electromagnetic noise, preventing interference with other components.
• Stable Performance: The ferrite core provides stable inductance over a wide range of operating conditions.
• Space Saving: Compact dimensions allow for integration into smaller and more densely populated PCBs.
• Reliable Operation: Built for reliable performance in various environments, ensuring consistent operation of the power supply.

Additional Details

The CDRH2D18-3R3NC features an inductance value of 3.3µH (microhenries). It's designed as a surface-mount device (SMD) for automated assembly. This inductor is commonly used in applications where a compact, efficient, and reliable power inductor is required. The typical operating temperature range is from -40°C to +125°C; however, the specific range should be confirmed with the manufacturer's datasheet. The component adheres to RoHS standards, indicating that it does not contain hazardous substances. Saturation current and DCR values can be found in the detailed specifications provided by Sumida.