The **FP1008R5-R180-R** is a high-current, shielded drum core power inductor part of the **FP1008 series** manufactured by Eaton (formerly Cooper Bussmann/Coiltronics). These components are specifically designed for high-frequency, high-current applications like voltage regulator modules (VRMs). --- ### ## Technical Specifications Below are the key electrical and physical characteristics of the device: | Property | Specification | | :--- | :--- | | **Inductance** | 180 nH (0.18 µH) | | **Tolerance** | ±10% | | **DC Resistance (DCR)** | 0.17 mΩ (Typical) | | **Saturation Current ($I_{sat}$)** | 85 A (at 25°C) | | **RMS Current ($I_{rms}$)** | 67 A | | **Operating Temperature** | -40°C to +125°C | | **Package Size** | 10.2 x 8.0 x 4.95 mm | --- ### ### Key Features 1. **High Current Capability**: With a saturation current of 85A, this part is built to handle the extreme power demands of modern processors and GPUs. 2. **Ultra-Low DCR**: The 0.17 mΩ resistance minimizes conduction losses, significantly improving overall power supply efficiency and reducing heat generation. 3. **Ferrite Core Material**: This material provides low core losses at high frequencies, making it ideal for multi-phase buck converters. 4. **Shielded Construction**: The design minimizes Electromagnetic Interference (EMI), which is critical in dense PCB layouts. --- ### ### Common Applications * **Computing**: Voltage Regulator Modules (VRMs) for Servers, Workstations, and Desktop PCs. * **Data Centers**: Point-of-Load (POL) converters and high-density power modules. * **Networking**: Switches, routers, and base station power supplies. * **Graphics Cards**: High-end GPU power delivery stages. --- ### ### Part Number Breakdown * **FP**: Product Family (Flat-Pac Inductor) * **1008**: Dimensional Code (approx. 10mm x 8mm footprint) * **R5**: Revision/Version code * **R180**: Inductance value (R = Decimal point; 180 = 0.180 µH) * **R**: RoHS Compliant