The **CDR10D48MN_13** is a specific part number typically associated with **Power Inductors**, specifically those manufactured by **Sumida Corporation**. It is a surface-mount (SMD) component designed for power management circuits. ### 1. Component Overview This component belongs to the **CDR10D48** series. These are magnetically shielded, high-current inductors often used in DC-DC converters for telecommunications, consumer electronics, and industrial power supplies. --- ### 2. Technical Specifications While exact values can vary slightly based on the specific tolerance and production batch, the general specifications for this series are as follows: | Feature | Description | | :--- | :--- | | **Type** | Shielded Surface Mount Inductor | | **Core Material** | Ferrite | | **Inductance Range** | Typically 0.8µH to 100µH (varies by suffix) | | **Dimensions** | Approx. 10.3 x 10.5 mm footprint | | **Height** | Approx. 5.0 mm | | **Mounting** | SMD (Surface Mount Device) | | **Operating Temp** | -40°C to +100°C (including self-heating) | --- ### 3. Key Features * **Magnetic Shielding:** The construction minimizes Electromagnetic Interference (EMI), making it suitable for high-density PCB layouts. * **Low DCR:** It features low Direct Current Resistance, which improves efficiency and reduces heat generation. * **High Saturation Current:** Designed to handle significant current peaks without the inductance dropping off sharply. * **Robust Construction:** The "MN" designation often refers to a specific lead-frame or base construction used for stability during reflow soldering. --- ### 4. Common Applications These parts are found in the following electronic systems: 1. **DC/DC Converters:** Stepping voltage up or down in battery-powered devices. 2. **Laptops and Servers:** Used in the VRM (Voltage Regulator Module) for CPU/GPU power. 3. **Network Equipment:** Switches and routers where stable power delivery is critical. 4. **LED Drivers:** Providing constant current for lighting applications. --- ### 5. Identification (Part Number Breakdown) | Segment | Meaning | | :--- | :--- | | **CDR** | Sumida Series Identifier (Shielded Inductor) | | **10D48** | Physical Dimensions (10mm wide, 4.8-5.0mm high) | | **MN** | Material or Internal Construction Code | | **13** | Specific inductance value or packaging code | ---