The **2822HC100-R** is a specific electronic component belonging to the **power inductor** family, typically manufactured by **Eaton (formerly Cooper Bussmann/Coiltronics)**. This part is widely used in high-current power management applications. --- ### 1. Technical Specifications The following table summarizes the key electrical and physical characteristics of the 2822HC100-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 10.0 µH | | **Tolerance** | ±20% | | **Current Rating (Isat)** | ~11 - 13 Amperes (Saturation current) | | **DC Resistance (DCR)** | ~18 - 22 mΩ (Max) | | **Package / Case** | Surface Mount (SMD) - 2822 Series | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Shielded (High Current Construction) | --- ### 2. Key Features and Construction * **High Current Handling:** The "HC" in the part number stands for **High Current**. It is designed to handle significant amperage without the core saturating quickly. * **Ferrite Core Material:** It utilizes a ferrite core construction which provides low core losses, making it efficient for high-frequency switching. * **Magnetic Shielding:** The component is shielded, which minimizes Electromagnetic Interference (EMI) with surrounding components on the PCB. * **Flat-Wire / Low Profile:** Often these series use a flat-wire winding to reduce DCR and optimize the footprint. --- ### 3. Typical Applications The 2822HC100-R is commonly found in the following electronic circuits: 1. **DC-DC Converters:** Used as the energy storage element in buck, boost, or buck-boost regulators. 2. **Voltage Regulator Modules (VRM):** Found in servers and high-performance computing power stages. 3. **Battery Powered Systems:** Ideal for portable electronics requiring high efficiency. 4. **Industrial Power Supplies:** Used in distributed power systems where space and heat dissipation are critical. --- ### 4. Part Number Breakdown The nomenclature usually follows this logic: * **2822:** Refers to the physical dimensions (approximately 0.28" x 0.22" or similar metric footprint). * **HC:** High Current series designation. * **100:** Represents the inductance value ($10 \times 10^0$ = 10 µH). * **-R:** Indicates RoHS compliance (Lead-free).