The SCDS125T-221M-N is a shielded power inductor manufactured by Chilisin. This inductor is designed for use in a variety of power supply and filtering applications, offering a balance of size, performance, and cost-effectiveness. Its shielded construction minimizes electromagnetic interference (EMI), making it suitable for sensitive electronic environments.

Applications

• DC-DC converters
• Power supplies for portable devices
• LED lighting applications
• EMI filtering
• Voltage regulators

Features

• Shielded construction for low EMI
• Compact size: 12.5mm x 12.5mm footprint
• Inductance value: 220μH
• Tolerance: ±20%
• High current carrying capacity
• Operating temperature range: -40°C to +125°C

Benefits

• Reduced EMI improves system performance and reliability.
• Small size allows for compact circuit designs.
• High current capability enables use in high-power applications.
• Wide operating temperature range ensures reliable operation in harsh environments.
• Cost-effective solution for power management applications.

Technical Specifications

The SCDS125T-221M-N features a ferrite core material and is designed for surface mount technology (SMT) assembly. It has a rated current which is specific to this part, and the DC resistance (DCR) is also a key parameter for power loss calculation. This inductor is compliant with RoHS standards, meaning it is free from hazardous substances.

The inductance of 220μH is measured at a specific frequency, typically 100 kHz or 1 MHz, and the impedance characteristics vary with frequency, making it important to consider the operating frequency in the application. The shielding is typically achieved through a closed magnetic circuit, preventing magnetic flux leakage and minimizing interference with adjacent components.

In summary, the SCDS125T-221M-N from Chilisin is a versatile and reliable shielded power inductor suitable for a wide range of power management applications where size, performance, and EMI reduction are critical considerations.