Based on the part number **028GFD-R**, this component is a high-performance **Power Inductor** (specifically a Metal Composite Inductor) manufactured by **Delta Electronics**. These are primarily used in high-frequency DC-DC converters and power modules. --- ### ## Technical Specifications Below are the typical characteristics of the 028GFD-R series: | Parameter | Specification | | :--- | :--- | | **Component Type** | SMT Power Inductor | | **Core Material** | Metal Composite (Iron Powder) | | **Inductance** | Typically 0.28 µH (indicated by "028") | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | Extremely Low (mΩ range) | | **Shielding** | Magnetically Shielded | | **Termination** | RoHS Compliant / Lead-Free (indicated by "-R") | --- ### ### Key Features and Benefits * **High Saturation Current:** The metal composite core allows the inductor to handle high peak currents without sudden saturation of the magnetic field. * **Low Core Loss:** Optimized for high-frequency switching, reducing heat generation and improving efficiency in power supplies. * **Compact Footprint:** Designed for Surface Mount Technology (SMT), saving PCB space in dense electronic layouts. * **Stability:** Maintains stable performance across a wide temperature range, making it suitable for automotive and industrial applications. --- ### ### Typical Applications 1. **Computing:** Voltage Regulator Modules (VRM) for CPUs and GPUs. 2. **Telecommunications:** DC-DC converters for base stations and networking hardware. 3. **Portable Electronics:** Battery-powered devices requiring high efficiency. 4. **Automotive:** Infotainment systems and Electronic Control Units (ECUs). --- ### ### Part Number Breakdown While manufacturer coding can vary slightly, here is the standard logic for this series: * **028:** Represents the inductance value (0.28 Microhenries). * **GFD:** Refers to the physical series/package size and material composition. * **-R:** Generally indicates **RoHS compliance** or **Tape & Reel** packaging.