The **SD10-6R2-R** is a high-performance, low-profile power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the SD10 series, which is designed for applications requiring compact footprints and high power density. --- ### 1. Technical Specifications The following table summarizes the key electrical and physical characteristics of the SD10-6R2-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 6.2 µH | | **Tolerance** | ±20% | | **Rated Current (Irms)** | 1.18 Amps | | **Saturation Current (Isat)** | 1.10 Amps | | **DC Resistance (DCR)** | 0.128 Ohms (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Dimensions** | 5.2mm x 5.2mm x 1.0mm | | **Shielding** | Magnetically Shielded | --- ### 2. Key Components & Construction The SD10-6R2-R is engineered with specific materials to ensure efficiency in power conversion: * **Core Material:** Ferrite core. Ferrite provides low core losses at high frequencies, making it ideal for DC-DC converters. * **Shielding:** The part is magnetically shielded. This minimizes Electromagnetic Interference (EMI), preventing the inductor's magnetic field from affecting nearby sensitive components on the PCB. * **Low Profile:** With a height of only 1.0mm, it is designed for "space-constrained" electronics like smartphones, tablets, and thin wearables. --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying variations: | Segment | Meaning | | :--- | :--- | | **SD** | Series Name (SMD Shielded Inductor) | | **10** | Size Code (approx. 1.0mm height) | | **6R2** | Inductance Value (6.2 µH) | | **-R** | RoHS Compliant / Lead-Free | --- ### 4. Common Applications Due to its small size and shielded nature, the SD10-6R2-R is typically used in: * **DC-DC Converters:** Buck, Boost, and SEPIC topologies. * **Mobile Electronics:** Handheld devices and GPS units. * **LED Drivers:** Providing stable current to lighting circuits. * **Computer Peripherals:** Hard disk drives and solid-state storage power rails.