The **ASPI-7318-R68** is a high-performance surface-mount (SMD) power inductor manufactured by Abracon. It belongs to the ASPI-7318 series, which is characterized by its high current handling capabilities and low profile. --- ### 1. Technical Specifications Below are the primary electrical and physical characteristics of the ASPI-7318-R68: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.68 µH | | **Tolerance** | ±20% (M) | | **Saturation Current ($I_{sat}$)** | ~18.0 A | | **Heating Current ($I_{rms}$)** | ~14.0 A | | **DC Resistance (DCR)** | ~4.5 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Dimensions (L x W x H)** | 7.3 x 6.6 x 1.8 mm | --- ### 2. Key Features * **Low Profile:** With a height of only 1.8mm, it is ideal for thin electronic assemblies like tablets and ultra-portable laptops. * **High Current Density:** Specifically designed to handle high saturation currents without a significant drop in inductance. * **Magnetic Shielding:** The molded construction provides excellent EMI (Electromagnetic Interference) shielding, reducing noise in sensitive circuits. * **Low DCR:** The low DC resistance minimizes power loss and heat generation, increasing overall system efficiency. --- ### 3. Applications The ASPI-7318-R68 is commonly used in power management circuits, including: * **DC-DC Converters:** Used as a storage element in buck, boost, and buck-boost regulators. * **Voltage Regulator Modules (VRM):** Found in CPU and GPU power supplies on motherboards. * **Portable Electronics:** Smartphones, tablets, and wearable devices. * **Industrial Power Supplies:** Compact power modules for automation equipment. --- ### 4. Part Number Breakdown Understanding the nomenclature helps in identifying variants: | Segment | Meaning | | :--- | :--- | | **ASPI** | Abracon Surface Power Inductor | | **7318** | Package Dimensions (approx. 7.3 x 6.6 x 1.8 mm) | | **R68** | Inductance Value (R68 = 0.68 µH) |