The **SD10-1R5-R** is a high-performance, low-profile power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the SD series of surface-mount (SMD) inductors designed for applications where space is limited and efficiency is critical. --- ## 1. Technical Specifications The following table outlines the primary electrical and physical characteristics of the SD10-1R5-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 1.5 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | 1.58 Amperes | | **Saturation Current (Isat)** | 2.11 Amperes | | **DC Resistance (DCR)** | 0.0549 Ohms (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | 5.20mm x 5.20mm | | **Height (Max)** | 1.00mm | --- ## 2. Key Features * **Low Profile:** With a maximum height of just 1.0mm, it is ideal for ultra-thin electronics like smartphones and wearable tech. * **Magnetic Shielding:** The part is ferrite-shielded, which minimizes Electromagnetic Interference (EMI) with surrounding components. * **High Energy Density:** Despite its small size, it handles relatively high saturation currents without a significant drop in inductance. * **RoHS Compliant:** The "-R" suffix indicates that the part is lead-free and meets RoHS standards. --- ## 3. Applications The SD10-1R5-R is commonly found in the following types of circuits: 1. **DC-DC Converters:** Used as a storage element in buck, boost, or buck-boost regulators. 2. **Portable Electronics:** Integrated into tablets, digital cameras, and handheld gaming consoles. 3. **LED Drivers:** Provides stable current filtering for lighting applications. 4. **Computer Peripherals:** Used in SSD power management and laptop motherboards. --- ## 4. Part Number Breakdown Understanding the nomenclature helps in selecting substitutes: * **SD:** Series name (Shielded Drum Core). * **10:** Physical size code (approx. 1.0mm height). * **1R5:** Inductance value (1.5 microhenries). * **-R:** RoHS compliant/Lead-free.