### HCF1007-1R5-R Electronic Component Overview The **HCF1007-1R5-R** is a high-current, shielded power inductor manufactured by **Eaton (formerly Bussmann)**. It belongs to the HCF1007 series, designed specifically for high-frequency DC-DC converters and power supply modules. --- ### 1. Key Technical Specifications Below are the primary electrical and physical characteristics of the component: | Parameter | Value | | :--- | :--- | | **Inductance** | 1.5 µH | | **Tolerance** | ±20% | | **Rated Current (Idc)** | 35 Amps | | **Saturation Current (Isat)** | 42 Amps | | **DC Resistance (DCR)** | 1.85 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | SMD (Surface Mount Device) | | **Dimensions** | 10.3mm x 7.0mm x 6.65mm | --- ### 2. Core Features * **High Current Handling:** Due to its ferrite core construction and flat wire design, it can handle significant current with minimal power loss. * **Low DCR:** The extremely low DC resistance (measured in milliohms) ensures high efficiency and reduces heat generation during operation. * **Magnetically Shielded:** The structure is shielded to minimize Electromagnetic Interference (EMI), which is critical in dense PCB layouts. * **Halogen Free & RoHS Compliant:** Meets modern environmental safety standards for lead-free soldering and material composition. --- ### 3. Functional Applications The HCF1007-1R5-R is typically found in power management stages of high-performance electronics: 1. **Voltage Regulator Modules (VRM):** Used in motherboards and servers to step down voltage for CPUs and GPUs. 2. **Point-of-Load (POL) Converters:** Providing localized power for FPGAs and ASICs. 3. **Battery Powered Systems:** Ideal for high-efficiency mobile or industrial power tools. 4. **Distributed Power Systems:** Used in telecommunications equipment for DC-DC conversion. --- ### 4. Part Number Breakdown Understanding the nomenclature: * **HCF:** High-Current Ferrite Series. * **1007:** Physical size dimensions (approx. 10mm x 7mm). * **1R5:** Inductance value (1.5 µH). The "R" acts as a decimal point. * **-R:** RoHS compliant. ---