### Technical Overview: FP1007R3-R22-R The **FP1007R3-R22-R** is a high-frequency, high-current power inductor designed specifically for use in multi-phase voltage regulator modules (VRMs). It belongs to the Eaton (formerly Cooper Bussmann/Coiltronics) FP series. --- ### 1. Key Technical Specifications The following table outlines the primary electrical and physical characteristics of the component: | Parameter | Specification | | :--- | :--- | | **Inductance** | 215 nH (0.215 µH) ± 10% | | **Current Rating (Irms)** | 61 Amperes | | **Saturation Current (Isat)** | 85 Amperes (approximate) | | **DC Resistance (DCR)** | 0.29 mΩ (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | 10.4mm x 8.0mm x 7.0mm | | **Mounting Type** | Surface Mount (SMD) | --- ### 2. Core Features and Construction * **Flat-Pac™ Technology:** This part utilizes a high-frequency, ferrite core material that provides very low core losses, making it ideal for high-efficiency power conversion. * **High Current Handling:** With an Irms of 61A, it is built to handle massive current loads without excessive heating. * **Low DCR:** The exceptionally low DC resistance (0.29 mΩ) minimizes conduction losses, which is critical for maintaining efficiency in low-voltage, high-current applications. * **Shielded Design:** The inductor is magnetically shielded to reduce Electromagnetic Interference (EMI) in sensitive circuit environments. --- ### 3. Common Applications The FP1007R3-R22-R is typically found in high-performance computing and power management systems, including: 1. **Server & Desktop VRMs:** Used in the multi-phase buck converters that power modern CPUs and GPUs. 2. **Point-of-Load (POL) Converters:** Providing stable power to ASICs and FPGAs. 3. **Data Centers:** Integrated into high-density power modules. 4. **Networking Equipment:** Used in high-end routers and switches where thermal management is critical. --- ### 4. Part Number Breakdown The part number identifies specific attributes: * **FP1007:** Product series and physical footprint (10mm x 7mm). * **R3:** Version or revision identifier. * **R22:** Represents the inductance value (0.22 µH or 220 nH nominal). * **-R:** Indicates RoHS compliance.