The CDRH60D43RNP-220MC is a shielded power inductor manufactured by Sumida America Components Inc. The '220MC' designation indicates its inductance value, which is 22 μH (microhenries). These inductors are designed for use in DC-DC converters and power supply circuits requiring higher inductance values and low EMI. The shielded construction is critical for minimizing electromagnetic interference, making it suitable for use in sensitive electronic equipment.

Applications

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting converters to store and release energy, thereby regulating the output voltage.
• Power Supplies: Found in various power supply units for electronic devices, providing filtering and energy storage.
• Portable Devices: Commonly used in devices such as laptops where efficient power conversion and EMI suppression are important.
• LED Lighting: Employed in LED driver circuits to regulate the current flowing through the LEDs.
• Industrial Equipment: Utilized in industrial power supplies and control systems.

Features

• Shielded Construction: Minimizes electromagnetic interference (EMI) and reduces noise in sensitive circuits.
• High Inductance Value: 22μH inductance for energy storage and filtering in power circuits.
• Compact Size: Relatively small footprint for use in space-constrained applications.
• High Current Handling: Designed to withstand significant current levels without saturation.
• Low DC Resistance (DCR): Reduces power losses and improves overall efficiency.
• Surface Mount Technology (SMT): Suitable for automated assembly on printed circuit boards (PCBs).

Benefits

• Reduced Electromagnetic Interference: Shielded design minimizes EMI, preventing interference with other components.
• Efficient Power Conversion: Low DCR reduces power dissipation and improves the efficiency of DC-DC converters.
• Space Saving: Compact size allows for integration in small electronic devices.
• Reliable Performance: High current handling capability ensures stable operation under various load conditions.
• Easy Assembly: SMT design enables automated and cost-effective manufacturing processes.

Additional Details

The CDRH60D43RNP-220MC inductor is typically constructed with a ferrite core and wound copper wire. The ferrite core material provides high permeability, enhancing the inductance value. The shielded construction involves enclosing the inductor within a metallic shield, effectively blocking electromagnetic radiation.

Typical Specifications:

• Inductance: 22 μH
• Tolerance: ±20% (check the datasheet for exact tolerance)
• DC Resistance (DCR): Low, typically in the mΩ range (consult the datasheet for exact value)
• Saturation Current: Refer to the datasheet for the saturation current, which indicates when the inductance starts to drop.
• Rated Current: Specifies the maximum continuous current the inductor can handle without exceeding its temperature limits.
• Operating Temperature Range: typically -40°C to +125°C.

Always consult the manufacturer's datasheet for the most precise and current specifications and application guidance. The datasheet provides detailed information on electrical characteristics, mechanical dimensions, and recommended soldering parameters.