The **HCF1007-R30-R** is a high-current, surface-mount (SMD) power inductor. It is part of the HCF series, known for its high efficiency and high power density, typically used in DC-DC converters and voltage regulator modules (VRMs). --- ### ## Technical Specifications The following table highlights the core electronic characteristics of the HCF1007-R30-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.30 µH (Microhenries) | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~35 - 40 Amperes | | **Saturation Current (Isat)** | ~45 - 55 Amperes | | **DC Resistance (DCR)** | ~0.45 mΩ (Milliohms) | | **Operating Temp** | -40°C to +125°C | | **Package Size** | 10.3mm x 7.0mm x 7.0mm (approx) | --- ### ### Key Features and Design * **Ferrite Core Material:** Utilizes a high-frequency ferrite core that ensures low core losses even at high switching frequencies (up to 1 MHz or more). * **High Current Handling:** Designed specifically for low-voltage, high-current applications where space is at a premium. * **Low DCR:** The extremely low DC resistance minimizes power loss due to heat (I²R losses), improving overall system efficiency. * **Shielded Construction:** Features magnetic shielding to reduce Electromagnetic Interference (EMI) with neighboring components on the PCB. --- ### ### Part Number Breakdown Understanding the nomenclature helps in identifying variants: 1. **HCF**: Series name (High-current, Ferrite core). 2. **1007**: Dimensional code (approx. 10mm length x 7mm width). 3. **R30**: Inductance value (R represents the decimal; 0.30 µH). 4. **R**: RoHS compliant and lead-free packaging. --- ### ### Typical Applications The HCF1007-R30-R is commonly found in: * **Multi-phase VRMs:** Powering CPUs and GPUs in servers and workstations. * **DC-DC Converters:** Point-of-Load (POL) modules. * **Networking Equipment:** High-speed routers and switches. * **Industrial Power Supplies:** Where high efficiency and thermal stability are required.