## SD7030-8R0-R Electronic Component Overview The **SD7030-8R0-R** is a high-power, shielded surface-mount (SMD) inductor manufactured by **Eaton (formerly Coiltronics)**. It is part of the SD7030 series, known for its low profile and high energy storage capabilities. --- ### 1. Key Technical Specifications The part number follows a specific nomenclature where "8R0" indicates the inductance value. | Parameter | Specification | | :--- | :--- | | **Inductance** | 8.0 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.038 Ω (Typical) | | **Saturation Current ($I_{sat}$)** | 2.50 Amperes | | **RMS Current ($I_{rms}$)** | 2.72 Amperes | | **Shielding** | Magnetically Shielded | | **Package / Case** | 7.0mm x 7.0mm x 3.0mm | | **Operating Temperature** | -40°C to +125°C | --- ### 2. Physical and Material Features * **Construction:** It features a ferrite core construction which provides a closed magnetic path to minimize Electromagnetic Interference (EMI). * **Mounting Type:** Surface Mount Device (SMD/SMT), designed for automated pick-and-place assembly. * **Durability:** The "R" suffix indicates compliance with **RoHS** (Restriction of Hazardous Substances) standards, meaning it is lead-free. * **Low Profile:** With a maximum height of 3.0mm, it is ideal for thin electronic assemblies. --- ### 3. Common Applications Due to its high current handling and compact size, the SD7030-8R0-R is commonly found in: 1. **DC-DC Converters:** Used as a storage inductor in buck (step-down) or boost (step-up) regulators. 2. **Power Supplies:** Ideal for VRMs (Voltage Regulator Modules) in laptops and servers. 3. **Consumer Electronics:** Found in digital cameras, handheld gaming consoles, and mobile devices. 4. **LED Drivers:** Used to manage current flow in high-brightness LED circuits. --- ### 4. Part Number Breakdown ```text SD 70 30 - 8R0 - R | | | | | | | | | +-- RoHS Compliant | | | +--------- Inductance Value (8.0 µH) | | +---------------- Height (approx. 3.0mm) | +-------------------- Dimensions (approx. 7.0mm x 7.0mm) +------------------------ Series Name (Shielded Drum) ```