### Overview of the SD3110-R50-R The **SD3110-R50-R** is a high-power density, low-profile power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the SD3110 series and is designed for applications where space is limited and efficiency is critical. --- ### Technical Specifications The following table outlines the primary electrical and physical characteristics of this component: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.50 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.043 Ω (Typical) | | **Irms (Current Rating)** | 2.51 Amps | | **Isat (Saturation Current)** | 2.65 Amps | | **Package / Case** | 3.1mm x 3.1mm x 1.0mm | | **Operating Temperature** | -40°C to +125°C | | **Core Material** | Ferrite | --- ### Key Features and Construction * **Low Profile:** With a height of only 1.0mm, it is ideal for ultra-thin electronic devices. * **Magnetic Shielding:** The ferrite drum core is shielded, which minimizes Electromagnetic Interference (EMI) with surrounding components. * **High Power Density:** Optimized to handle high currents relative to its small surface-mount footprint. * **RoHS Compliant:** Lead-free and environmentally friendly materials. --- ### Typical Applications The SD3110-R50-R is commonly used in DC-DC converters and power management circuits for: 1. **Mobile Electronics:** Smartphones, tablets, and handheld GPS units. 2. **Wearable Tech:** Smartwatches and fitness trackers. 3. **Computing:** SSDs (Solid State Drives) and ultra-portable laptops. 4. **Peripheral Devices:** Digital cameras and small IoT sensors. --- ### Example Circuit Integration In a typical Buck Converter circuit, the inductor is used to store energy. Below is a conceptual representation of how it might be identified in a Bill of Materials (BOM): ```markdown Project: Compact 3.3V Step-Down Converter Part Reference: L1 Manufacturer: Eaton MPN: SD3110-R50-R Quantity: 1 ```