The CDRH2D18LD-3R3NC is a shielded power inductor manufactured by Sumida America Components Inc. Sumida is a leading manufacturer of inductors and other magnetic components. This particular inductor is designed for use in DC-DC converters and other power supply applications. The 3R3 designation indicates an inductance value of 3.3 µH.

Applications

• DC-DC converters
• Power supplies for portable devices
• Voltage regulators
• Filtering circuits
• LED lighting applications

Features

• Shielded construction for low EMI
• Small size
• High current handling capability
• Low DC resistance
• RoHS compliant

Benefits

• Reduced electromagnetic interference
• Efficient power conversion
• Compact design for space-constrained applications
• Stable performance over a wide temperature range
• Reduced power losses

Additional Details

Key specifications include the inductance (3.3 µH), DC resistance (DCR), saturation current (Isat), and rated current (Irms). The CDRH2D18LD series typically has a height of around 2mm. The shielded construction minimizes electromagnetic interference (EMI) and allows for high-density circuit board layouts. Proper thermal management is important when operating the inductor at high currents. Consult the Sumida datasheet for detailed specifications and performance curves. The operating temperature range is typically -40°C to +125°C. The inductance tolerance is also a key parameter to consider during circuit design.