## DR1030-1R8-R Electronic Component Overview The **DR1030-1R8-R** is a high-power, shielded surface-mount (SMD) inductor manufactured by **Eaton (formerly Coiltronics)**. It is part of the DR series, known for high efficiency and a low profile. ### Technical Specifications | Parameter | Value | | :--- | :--- | | **Inductance** | 1.8 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | 5.24 Amps | | **Saturation Current (Isat)** | 8.82 Amps | | **DC Resistance (DCR)** | 10.1 mΩ (Typ) | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Magnetically Shielded | | **Package / Case** | 10.5mm x 10.3mm x 3.0mm | --- ### Key Features 1. **Magnetic Shielding:** The component is shielded, which minimizes Electromagnetic Interference (EMI). This is critical for densely packed circuit boards where noise can affect surrounding components. 2. **Low Profile:** With a height of only 3.0mm, it is ideal for thin electronic devices like laptops or handheld instruments. 3. **High Power Density:** It handles high saturation currents relative to its small footprint, making it suitable for high-efficiency power conversion. 4. **Ferrite Core:** Utilizes a ferrite core material which provides low core losses at high frequencies. ### Common Applications * **DC-DC Converters:** Used as a storage inductor in buck, boost, or SEPIC converters. * **Computer Peripherals:** Found in laptops, servers, and graphics cards for voltage regulation modules (VRMs). * **Battery Powered Devices:** Ideal for mobile devices due to its efficiency and small size. * **Consumer Electronics:** Used in LED drivers and portable media players. ### Part Number Breakdown * **DR:** Series Name (Drum Core) * **1030:** Dimensions (approx. 10mm width/length, 3.0mm height) * **1R8:** Inductance Value (1.8 µH) * **-R:** RoHS Compliant / Lead-Free ---