The **ASPI-0410FS-3R3** is a high-performance, surface-mount (SMD) power inductor manufactured by **Abracon**. It is specifically designed for applications requiring a low profile and high efficiency in power conversion circuits. --- ## 1. Technical Specifications The part number follows a specific nomenclature where "3R3" represents the inductance value. | Parameter | Specification | | :--- | :--- | | **Inductance** | 3.3 µH | | **Tolerance** | ±30% (Standard for this series) | | **DC Resistance (DCR)** | ~0.060 Ω (Max) | | **Rated Current (Irms)** | ~1.85 A | | **Saturation Current (Isat)** | ~1.60 A | | **Operating Temperature** | -25°C to +120°C | | **Dimensions** | 4.0 x 4.0 x 1.0 mm (Ultra-low profile) | --- ## 2. Key Features * **Low Profile:** At only 1.0mm height, it is ideal for thin electronics like smartphones and tablets. * **Magnetic Shielding:** The "FS" designation often indicates a semi-shielded construction using magnetic resin, which reduces Electromagnetic Interference (EMI) compared to unshielded inductors. * **High Power Density:** Capable of handling relatively high currents despite its small footprint. * **Robust Construction:** Designed to withstand reflow soldering processes. --- ## 3. Applications The ASPI-0410FS-3R3 is commonly found in the following circuits: 1. **DC/DC Converters:** Used as an energy storage element in buck, boost, or buck-boost regulators. 2. **Mobile Devices:** Power management for smartphones, wearables, and portable medical equipment. 3. **LCD Displays:** Voltage regulation for backlight drivers. 4. **Computer Peripherals:** Distributed power systems in SSDs or networking cards. --- ## 4. Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **ASPI** | Abracon Surface Mount Power Inductor | | **0410** | Dimensions (Approx. 4.0mm x 1.0mm height) | | **FS** | Series/Shielding Type (Semi-shielded) | | **3R3** | Inductance Value (3.3 µH) |