The **ASPI-8030LR-R68M-T** is a high-performance, surface-mount (SMD) power inductor manufactured by **Abracon**. This specific component is designed for high-current power management applications, often found in DC-DC converters and portable electronics. --- ## 1. Technical Specifications The part number is a coded string that defines its electrical and physical properties. | Parameter | Specification | Details | | :--- | :--- | :--- | | **Inductance** | 0.68 µH | The nominal inductance value | | **Tolerance** | ±20% | Represented by the "M" in the part number | | **Current Rating (Isat)** | ~18.0 A | Current at which inductance drops by a specific % | | **Current Rating (Irms)** | ~11.0 A | Current that causes a 40°C temperature rise | | **DC Resistance (DCR)** | 4.6 mΩ (Max) | Internal resistance of the coil | | **Operating Temp** | -40°C to +125°C | Standard industrial temperature range | | **Package Size** | 8.0 x 8.0 x 3.0 mm | L x W x H dimensions | --- ## 2. Part Number Breakdown Understanding the nomenclature helps in identifying variants: * **ASPI**: Abracon Shielded Power Inductor series. * **8030**: Physical dimensions (8.0mm x 8.0mm base, 3.0mm height). * **LR**: Low Resistance / High Current series designation. * **R68**: Resistance value (R denotes decimal point, so 0.68). * **M**: Tolerance (M = ±20%). * **T**: Packaging (T = Tape & Reel). --- ## 3. Key Features and Construction The ASPI-8030LR series utilizes specific engineering techniques to achieve high efficiency: ### Magnetic Shielding The inductor is magnetically shielded. This prevents electromagnetic interference (EMI) from affecting surrounding components on the PCB and reduces audible "buzzing" under load. ### Metal Alloy Core Unlike traditional ferrite cores, these often use a metal powder/alloy core. This provides: * **Soft Saturation:** The inductance drops gradually as current increases, rather than a sharp drop-off. * **High Current Density:** Handles more power in a smaller footprint. ### Low Profile The "30" in the part number indicates a 3.0mm height, making it suitable for slim electronic devices like tablets, notebooks, and compact power modules. --- ## 4. Typical Applications * **Voltage Regulator Modules (VRMs):** High-speed CPU/GPU power delivery. * **DC-DC Converters:** Buck, Boost, and Buck-Boost topologies. * **Battery Powered Devices:** Due to low DCR, it minimizes power loss and extends battery life. * **Servers and Networking:** High-reliability power stages.