## Detailed Overview of the HC1-3R6-R Component The **HC1-3R6-R** is a high-current, power inductor commonly used in voltage regulator modules (VRMs) and DC-DC converters. It is manufactured by **Eaton (formerly Cooper Bussmann)** under the Coiltronics product line. --- ### 1. Key Technical Specifications | Parameter | Value / Specification | | :--- | :--- | | **Inductance** | 3.6 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~14.6 Amperes | | **Saturation Current (Isat)** | ~14.6 Amperes | | **DC Resistance (DCR)** | 4.8 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Package / Case** | HC1 (High Current Series) | --- ### 2. Core Features * **High Current Density:** Designed to handle significant amperage without reaching magnetic saturation quickly. * **Low DCR:** The extremely low DC resistance minimizes power loss due to heat, enhancing the overall efficiency of the power supply. * **Magnetic Shielding:** The construction reduces Electromagnetic Interference (EMI), which is critical in densely packed circuit boards. * **Material:** Typically uses a powder iron core material that offers stable performance across a wide temperature range. --- ### 3. Applications and Usage This component is primarily found in high-performance computing and industrial electronics. * **Multi-phase Regulators:** Used in CPU/GPU power delivery modules. * **DC-DC Converters:** Buck, Boost, and Buck-Boost topologies. * **Filters:** Used for output smoothing and noise reduction in switching power supplies. * **Voltage Regulator Modules (VRM):** Essential for modern motherboards and servers. --- ### 4. Footprint and Dimensions The "HC1" designation refers to the physical size of the inductor. While you should always consult the official datasheet for PCB layout, the general dimensions are: * **Length:** ~13.5 mm * **Width:** ~13.0 mm * **Height:** ~5.5 mm --- ### 5. Part Number Breakdown * **HC1:** High Current Series, Size 1. * **3R6:** Inductance value (3.6 microhenries). * **-R:** RoHS compliant (Lead-free).