Based on the part number **MP220-R100-C**, this component is a **High-Current Power Inductor**, typically manufactured by companies like Vishay (IHLP series) or generic industrial magnetics suppliers. The alphanumeric code represents specific electrical and physical characteristics. --- ### 1. Part Number Breakdown | Segment | Meaning | Description | | :--- | :--- | :--- | | **MP220** | **Series/Size** | Often indicates a molded power inductor with specific dimensions (e.g., 2.0mm x 2.5mm). | | **R100** | **Inductance Value** | The "R" acts as a decimal point. **0.100 µH** (Microhenries). | | **C** | **Tolerance/Rating** | Typically refers to the tolerance (e.g., ±20%) or a specific temperature/current rating grade. | --- ### 2. Technical Specifications High-current inductors like the MP220-R100-C are engineered for high-frequency DC/DC conversion. * **Inductance:** 0.100 µH (Low inductance implies high-speed switching applications). * **DC Resistance (DCR):** Very low (typically in the milliohm range) to minimize power loss. * **Saturation Current ($I_{sat}$):** High capacity to handle current spikes without the magnetic core losing its properties. * **Construction:** Shielded, molded construction to reduce Electromagnetic Interference (EMI) and resist mechanical shock. --- ### 3. Common Applications These parts are vital in modern power management systems: 1. **Voltage Regulator Modules (VRM):** Used in CPU/GPU power delivery. 2. **Point of Load (POL) Converters:** Step-down converters for distributed power systems. 3. **Battery Powered Devices:** High efficiency is required for smartphones and tablets. 4. **Solar Inverters:** Handling high current at high frequencies. --- ### 4. Equivalent Component Example If you are searching for a datasheet or replacement, it often maps to the following industry standard: ```text Type: Surface Mount Device (SMD) Footprint: 2520 (Metric) or similar Core Material: Composite / Carbonyl Powder Frequency Range: Up to 5.0 MHz ```