The part number **0624CDMCCDS-R15MC** refers to a high-current, low-profile power inductor, typically manufactured by **Sumida**. These components are widely used in DC-DC converters for laptops, servers, and automotive electronics. ### 1. Part Number Breakdown The alphanumeric code provides specific details about the component's physical and electrical characteristics: | Code Segment | Meaning | Specification | | :--- | :--- | :--- | | **0624** | Dimensions | Approx. 6.0mm x 6.0mm x 2.4mm | | **CDMC** | Series Type | Surface Mount (SMD) Power Inductor | | **CDS** | Construction | Shielded, metal compound powder core | | **R15** | Inductance Value | **0.15 µH** (R denotes decimal point) | | **M** | Tolerance | ±20% | | **C** | Packaging/Type | Specific manufacturer internal code | --- ### 2. Key Technical Specifications Based on the standard datasheet for the 0624CDMC series: * **Inductance:** 0.15 µH * **DC Resistance (DCR):** Extremely low (typically < 2.5 mΩ), which minimizes power loss through heat. * **Saturation Current (Isat):** Very high (often > 25A), allowing it to maintain inductance under heavy loads. * **Temperature Range:** Generally rated for -40°C to +125°C. * **Construction:** Magnetic metal powder shielding, which offers low acoustic noise and low leakage flux. --- ### 3. Applications and Features This specific inductor is designed for high-efficiency power management: * **High Power Density:** The 0.15 µH value is very low, suggesting it is used in high-frequency switching regulators where rapid response to load changes is required. * **Low Profile:** The "24" (2.4mm height) makes it suitable for slim electronic devices like ultrabooks or tablets. * **Shielded Design:** The metal compound structure reduces Electromagnetic Interference (EMI), preventing the inductor from interfering with nearby sensitive components. --- ### 4. Implementation Example In a typical circuit design, this inductor would be placed in the output stage of a Buck Converter: ```mermaid graph LR A[Input Voltage] --> B[Switching MOSFET] B --> C{0624CDMCCDS-R15MC} C --> D[Output Capacitor] D --> E[Load / CPU] ``` ---