The **ASPI-2512-R47** is a surface-mount (SMD) power inductor commonly used in compact electronic circuits for power management. It is part of the ASPI-2512 series manufactured by Abracon. --- ### 1. Technical Specifications The part number "R47" specifically indicates the inductance value. Below are the primary electrical and physical characteristics: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.47 µH | | **Tolerance** | ±20% (M) | | **DC Resistance (DCR)** | ~21 mΩ (Max) | | **Saturation Current (Isat)** | ~4.30 A | | **Temperature Rise Current (Irms)** | ~3.70 A | | **Operating Temperature** | -40°C to +125°C | | **Package Size** | 2.5 x 2.0 x 1.2 mm | --- ### 2. Key Features & Construction * **Shielded Construction:** The inductor is magnetically shielded, which minimizes Electromagnetic Interference (EMI) and prevents the magnetic field from affecting nearby components. * **Wire-Wound Design:** It utilizes a wire-wound core to achieve high current ratings and low DC resistance in a small footprint. * **Low Profile:** With a height of only 1.2 mm, it is ideal for ultra-thin consumer electronics like smartphones and tablets. --- ### 3. Common Applications This component is typically found in high-efficiency DC-DC conversion circuits. * **Mobile Devices:** Powering CPUs and GPUs in smartphones and wearables. * **Point of Load (POL) Converters:** Used in distributed power architectures to step down voltages locally on a PCB. * **Battery Powered Equipment:** Its low DCR helps in extending battery life by reducing power loss as heat. --- ### 4. Part Number Breakdown Understanding the nomenclature helps in identifying variants: `ASPI` - **Series Name** (Abracon Shielded Power Inductor) `2512` - **Dimensions** (2.5mm x 2.0mm x 1.2mm) `R47` - **Inductance Value** (R denotes decimal; 0.47 Microhenries) `M` - **Tolerance** (Standard ±20%)