## Technical Overview: HC8-5R6-R Inductor The **HC8-5R6-R** is a high-current, power inductor belonging to the **HC8 Series** manufactured by **Eaton (formerly Cooper Bussmann/Coiltronics)**. These components are specifically designed for high-density power applications where space is limited and efficiency is critical. --- ### 1. Key Technical Specifications | Parameter | Value / Specification | | :--- | :--- | | **Inductance** | 5.6 µH (Microhenries) | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | ~11.0 mΩ (Typical) | | **Rated Current (Irms)** | ~11.8 Amps (Temperature Rise) | | **Saturation Current (Isat)** | ~15.1 Amps (30% drop in inductance) | | **Package / Case** | Surface Mount (SMD) | | **Operating Temp** | -40°C to +125°C | --- ### 2. Core Features and Construction * **Material:** It typically utilizes a high-frequency iron powder core material, which provides excellent saturation characteristics and low core losses. * **Magnetically Shielded:** The design minimizes Electromagnetic Interference (EMI), making it suitable for noise-sensitive environments. * **High Current Density:** The "HC" in the part number stands for **High Current**. It is engineered to handle significant amperage without overheating or reaching magnetic saturation prematurely. * **RoHS Compliant:** The "-R" suffix indicates that the part is lead-free and meets RoHS environmental standards. --- ### 3. Common Applications The HC8-5R6-R is primarily found in DC-DC conversion circuits. Key use cases include: 1. **Voltage Regulator Modules (VRMs):** Used in CPU and GPU power delivery on motherboards. 2. **Point-of-Load (POL) Converters:** Providing localized power for FPGAs and ASICs. 3. **Industrial Computing:** Embedded systems requiring stable power rails. 4. **Telecommunications:** Distributed power architectures and base station equipment. --- ### 4. Part Number Breakdown To better understand the component, here is how the nomenclature is structured: | Segment | Meaning | | :--- | :--- | | **HC8** | Series Name (High Current, Size 8) | | **5R6** | Inductance Value (5.6 µH; "R" acts as the decimal point) | | **-R** | RoHS Compliant | ---