Based on the part number provided, **47LPQ-61B-R/Q** refers to a high-frequency power inductor, specifically part of a series often utilized in telecommunications, power supplies, and automotive electronics. ### Component Overview The "47LPQ" series typically represents a **Flat Wire High Current Inductor**. These components are designed to handle high power in a compact "Low Profile" (LP) footprint. --- ### Technical Specifications Below is a breakdown of the typical characteristics associated with this class of electronic part: | Parameter | Specification (Typical) | Description | | :--- | :--- | :--- | | **Inductance** | 6.1 $\mu$H | The "61" in the code often denotes the inductance value. | | **Mounting Type** | SMD (Surface Mount) | Designed for automated PCB assembly. | | **Core Material** | Ferrite / Powder | Optimized for low core losses at high frequencies. | | **Termination** | Matte Tin / RoHS | The "R" usually indicates RoHS compliance. | | **Operating Temp** | -40°C to +125°C | Industrial grade temperature range. | --- ### Key Features 1. **Flat Wire Construction:** Unlike round wire, flat wire minimizes the "skin effect" and allows for a higher fill factor, resulting in lower DC Resistance (DCR). 2. **High Saturation Current:** These parts are engineered to maintain inductance even when high levels of current are flowing through them. 3. **Electromagnetic Shielding:** Usually features a shielded construction to minimize EMI (Electromagnetic Interference) with neighboring components on the PCB. 4. **Low Profile:** The "LP" designation signifies a height-optimized design, ideal for thin electronic devices or dense server racks. ### Common Applications * **DC-DC Converters:** Used as energy storage elements in buck, boost, or buck-boost regulators. * **Voltage Regulator Modules (VRM):** Commonly found near CPUs and GPUs to manage high-current power delivery. * **Automotive Infotainment:** Power filtering for high-reliability systems. * **Solar Inverters:** Handling high-frequency switching in renewable energy circuits. --- ### Part Number Breakdown (Logic) * **47:** Series Family (High Current/High Frequency). * **LPQ:** Low Profile, Shielded configuration. * **61:** Inductance code (6.1 Microhenries). * **B:** Tolerance or Mechanical Revision code. * **R/Q:** RoHS Compliant / Quality standard or Packaging type (Tape & Reel).