The SIWC75-4R7 is a power inductor manufactured by Delta Electronics. This inductor is designed for use in high-current power supply applications. It's part of Delta's shielded wire-wound inductor series, known for its low DC resistance and effective EMI shielding. The inductor is designed to provide efficient power conversion in demanding applications.

Applications

• DC-DC converters
• Voltage regulators in various electronic devices
• Power supplies for industrial equipment
• High-current power supplies
• Point-of-Load (POL) applications

Features

• High current handling capability
• Shielded construction for reduced EMI
• Low DC resistance (DCR) for higher efficiency
• Compact size for space-constrained designs
• RoHS compliant

Benefits

• Increased power conversion efficiency due to low DCR, minimizing energy loss.
• Reduced electromagnetic interference (EMI), ensuring stable operation of surrounding circuits.
• Compact design allows for integration into smaller electronic devices.
• Reliable performance in high-current applications.
• Environmentally friendly due to RoHS compliance.

Additional Details

The '4R7' portion of the part number typically indicates an inductance value of 4.7 µH, but consulting the official Delta Electronics datasheet for the SIWC75-4R7 is crucial for accurate specifications. The datasheet will provide detailed information on inductance, tolerance, saturation current, DCR, self-resonant frequency, and operating temperature range. The shielded construction utilizes a magnetic material surrounding the coil, which significantly reduces radiated emissions. This is particularly important in sensitive electronic devices where minimizing interference is critical. The inductor is designed for surface mount technology (SMT) assembly. The materials used in the inductor construction are selected for their ability to withstand high currents and temperatures, ensuring long-term reliability. The SIWC75 series is typically used in applications requiring a balance of high current capability and compact size.