The **47LPA-102YR-R** is a specific electronic component, typically categorized as a **surface-mount power inductor**. Parts with this nomenclature (47LPA series) are often manufactured by companies like *Taiyo Yuden* or similar power component specialists, designed for high-efficiency power conversion. --- ### 1. Technical Specifications Based on the standard naming conventions for this series, here are the primary technical characteristics: | Property | Value/Description | | :--- | :--- | | **Inductance** | 1.0 µH (Identified by "102") | | **Tolerance** | ±30% (Identified by "Y") | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Core Material** | Metal Alloy / Ferrite | | **Packaging** | Tape & Reel (Identified by "-R") | --- ### 2. Decoding the Part Number The part number can be broken down into functional segments: 1. **47LPA**: The series identifier. This usually refers to a specific low-profile, high-current power inductor series. 2. **102**: The inductance value. * The first two digits (10) are significant. * The third digit (2) is the multiplier (10^2). * Calculation: $10 \times 10^2 = 1000$ nH, which equals **1.0 µH**. 3. **Y**: Represents the tolerance code. In this specific series, "Y" usually denotes **±30%**. 4. **R**: Denotes the packaging style, specifically **Tape & Reel** for automated assembly. --- ### 3. Key Features and Applications These components are engineered for modern, compact electronic devices. #### Key Features: * **Low Profile:** Designed to fit in slim devices like smartphones and tablets. * **High Saturation Current:** Uses metal materials to prevent performance drops during high-load peaks. * **Magnetic Shielding:** Minimizes electromagnetic interference (EMI) with surrounding components. #### Common Applications: * **DC-DC Converters:** Voltage regulation in battery-powered devices. * **CPU/GPU Power Supply:** Providing stable current to processors. * **Mobile Electronics:** Used in laptops, SSDs, and handheld gaming consoles. --- ### 4. Handling and Soldering | Aspect | Recommendation | | :--- | :--- | | **Reflow Profile** | Lead-free (Pb-free) soldering compatible. | | **Moisture Sensitivity** | Usually MSL Level 1 (Unlimited floor life). | | **Storage** | Store in a cool, dry environment to prevent oxidation of terminals. |