The SCDS105R-181M-N is a shielded power inductor manufactured by Chilisin. It is specifically designed for applications in DC-DC converters and power supplies where minimizing electromagnetic interference (EMI) and maximizing efficiency are crucial. The shielded construction effectively contains the magnetic field, allowing for denser circuit layouts and reducing interference with neighboring components.

Applications:

• DC-DC converters
• Power supplies for consumer electronics
• LED drivers
• Point-of-Load (POL) regulators
• Buck and Boost converters
• Filtering applications in power circuits

Features:

• Shielded construction for low EMI
• High saturation current capability
• Low DC resistance (DCR) for high efficiency
• Compact surface mount design (10.5mm x 10.5mm footprint)
• Wide operating temperature range: -40°C to +125°C
• RoHS compliant

Benefits:

• Reduces unwanted electromagnetic emissions, enhancing system reliability.
• Handles substantial current without significant inductance drop.
• Minimizes power losses due to internal resistance, improving overall efficiency.
• Optimizes board space utilization in compact electronic devices.
• Ensures stable performance across a broad range of operating conditions.
• Complies with environmental regulations regarding hazardous substances.

Additional Details:

The SCDS105R-181M-N has an inductance value of 180μH with a tolerance of ±20%. Its high saturation current, typically around 3.2A, ensures it can handle demanding power requirements without significant inductance roll-off. The low DC resistance contributes to reduced power dissipation and improved overall efficiency. The shielded construction significantly minimizes magnetic flux leakage, reducing the potential for EMI issues in sensitive applications.

The 'R' in the part number designates RoHS compliance, and the 'N' indicates suitability for lead-free soldering processes. The self-resonant frequency (SRF) is approximately 13 MHz. This inductor is designed for surface mount assembly and is compatible with reflow soldering processes.