The **CSBL0550-R60M** is a high-current, low-profile Surface Mount Device (SMD) Power Inductor. It is commonly used in DC-DC converters and voltage regulator modules due to its efficiency and compact size. --- ### 1. Technical Specifications Below are the primary electrical and physical parameters for the CSBL0550-R60M: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.60 µH (±20%) | | **DCR (Direct Current Resistance)** | ~4.5 mΩ (Nominal) | | **Saturation Current ($I_{sat}$)** | ~18 - 22 A (Drop in L $\approx$ 30%) | | **Heating Current ($I_{rms}$)** | ~12 - 15 A ($\Delta T \approx$ 40°C) | | **Dimensions** | 5.0 x 5.0 x 3.0 mm (Approx) | | **Core Material** | Metal Alloy / Carbonyl Iron | --- ### 2. Key Characteristics * **Shielded Construction:** The inductor is magnetically shielded, which minimizes Electromagnetic Interference (EMI) and prevents noise from affecting nearby components. * **High Saturation:** Uses a metal powder core, allowing it to handle high peak currents without the inductance dropping off sharply (soft saturation). * **Low DCR:** The low internal resistance minimizes power loss as heat, increasing the overall efficiency of the power supply. * **Frequency Range:** Optimized for high-frequency switching regulators (typically up to 5MHz). --- ### 3. Part Number Breakdown The nomenclature usually follows this structure: 1. **CSBL:** Series identifier (Indicates the manufacturer's specific molded power inductor line). 2. **0550:** Physical dimensions (roughly 5.0mm x 5.0mm). 3. **R60:** Inductance value ($R$ acts as a decimal point). $0.60 \mu H$. 4. **M:** Tolerance code ($M = \pm 20\%$). --- ### 4. Typical Applications * **Computing:** CPU/GPU voltage regulator modules (VRMs). * **Mobile Devices:** High-current POL (Point of Load) converters in smartphones or tablets. * **Automotive:** Infotainment systems and LED lighting drivers. * **Power Supplies:** Compact AC-DC and DC-DC converters.