The **HC3-5R6-R** is a high-current, power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the HC3 family, which is specifically designed for high-density, high-current applications where space and efficiency are critical. --- ### 1. Technical Specifications The part number can be decoded to understand its primary electrical characteristics: | Parameter | Specification | | :--- | :--- | | **Inductance** | 5.6 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~14.6 Amperes | | **Saturation Current (Isat)** | ~13.5 Amperes | | **DC Resistance (DCR)** | ~7.2 mΩ (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Package Type** | Surface Mount (SMD) | --- ### 2. Key Features * **High Current Handling:** Designed to handle significant DC currents without saturating or overheating. * **Low DCR:** The low DC resistance minimizes power loss (heat generation), making it highly efficient for power conversion. * **Magnetic Shielding:** These inductors are typically shielded to reduce Electromagnetic Interference (EMI), which is vital in compact electronic layouts. * **Rugged Construction:** Built to withstand high-temperature environments and reflow soldering processes. --- ### 3. Common Applications The HC3-5R6-R is primarily used in power management circuits, including: 1. **DC-DC Converters:** Acts as an energy storage element in Buck, Boost, or SEPIC converters. 2. **Voltage Regulator Modules (VRMs):** Used in motherboards and servers to regulate power for CPUs and GPUs. 3. **Industrial Electronics:** Distributed power systems and battery-powered equipment. 4. **Telecom Infrastructure:** High-efficiency power supplies for networking gear. --- ### 4. Physical Dimensions The "HC3" series denotes a specific footprint. While exact dimensions should be verified via the datasheet, the typical footprint for this series is approximately **13.0mm x 13.0mm** with a height of around **6.0mm**.