The **CMLE041B-R47MS** is a high-performance, low-profile **Power Inductor** manufactured by **Cyntec**. It belongs to the miniature molded power choke category, designed for high-density electronic circuits. --- ### 1. Technical Specifications The part number reveals specific characteristics of the component: | Feature | Specification | | :--- | :--- | | **Inductance** | 0.47 µH | | **Tolerance** | ±20% (indicated by 'M') | | **DC Resistance (DCR)** | Typ: 11.5 mΩ / Max: 13.8 mΩ | | **Saturation Current (Isat)** | ~10.5 A (based on 30% inductance drop) | | **Heat Rating Current (Irms)** | ~7.0 A (based on 40°C temperature rise) | | **Operating Temperature** | -55°C to +125°C | | **Dimensions (L x W x H)** | 4.45 x 4.06 x 1.2 mm | --- ### 2. Physical Construction The CMLE series utilizes advanced material science to achieve high efficiency in a small footprint: * **Molded Structure:** The coil is embedded within a metal powder magnetic core. This "molded" design provides excellent magnetic shielding and minimizes EMI (Electromagnetic Interference). * **Lead-Free/RoHS:** The part is compliant with modern environmental standards (Halogen-free). * **SMD Mount:** Designed for automated Surface Mount Technology (SMT) assembly. --- ### 3. Key Applications Because of its high current handling and low profile (1.2mm height), this inductor is commonly found in: 1. **Mobile Devices:** Smartphones and tablets where board space is extremely limited. 2. **DC/DC Converters:** Used as the storage element in buck/boost regulators. 3. **Laptops/Computing:** Powering CPU/GPU rails or DDR memory modules. 4. **IoT Modules:** Providing stable power in small-form-factor wireless sensors. --- ### 4. Part Number Breakdown `CMLE` `04` `1B` - `R47` `M` `S` * **CMLE:** Series Name (Low Profile Molded Inductor). * **04:** External Dimensions (approx 4.0mm). * **1B:** Height Code (approx 1.2mm). * **R47:** Inductance Value (R47 = 0.47 µH). * **M:** Tolerance (±20%). * **S:** Internal tracking/standard code.