The **CDR10D48MN** is a high-performance, surface-mount (SMD) power inductor manufactured by **Sumida Corporation**. It is widely used in power management circuits due to its compact size and high reliability. --- ## 1. Core Specifications Below are the primary technical characteristics typically associated with the CDR10D48 series: | Parameter | Specification Details | | :--- | :--- | | **Component Type** | Power Inductor (Unshielded/Semi-shielded) | | **Mounting Type** | Surface Mount (SMD) | | **Dimensions** | Approx. 10.3 x 10.5 x 5.0 mm | | **Operating Temp** | -40°C to +100°C (including self-heating) | | **Core Material** | Ferrite | | **Packaging** | Tape & Reel | --- ## 2. Key Features * **High Power Density:** Designed to handle significant current relative to its physical footprint. * **Magnetic Construction:** Features a ferrite drum core which provides excellent saturation characteristics. * **Durability:** The terminal structure is designed to withstand mechanical stress and thermal cycling during the reflow soldering process. * **Frequency Range:** Optimized for DC-DC converter switching frequencies (typically up to several hundred kHz). --- ## 3. Typical Applications The CDR10D48MN is commonly found in the following electronic environments: 1. **DC/DC Converters:** Used for energy storage and filtering in buck or boost regulators. 2. **Consumer Electronics:** Found in televisions, game consoles, and set-top boxes. 3. **Industrial Equipment:** Utilized in power supplies for embedded systems and automation controllers. 4. **Peripheral Cooling:** Often part of the power stage for small DC fans or motor drivers. --- ## 4. Marking and Identification The part number follows a specific nomenclature: * **CDR:** Product series (Drum Core). * **10D48:** Dimensions (approx. 10mm diameter, 4.8mm height). * **M/N:** Indicates specific tolerance and winding variations (usually ±20% for 'M'). ---