The **FP1007R1-R14-R** is a high-performance, high-current power inductor typically used in multi-phase voltage regulator modules (VRMs). It is part of the FP1007R series manufactured by Eaton (formerly Cooper Bussmann/Coiltronics). --- ### 1. Key Specifications The part number can be decoded to understand its specific electrical characteristics: | Parameter | Specification | | :--- | :--- | | **Inductance (L)** | 140 nH (0.14 µH) | | **Tolerance** | ±10% | | **Saturation Current ($I_{sat}$)** | ~61 Amperes | | **DC Resistance (DCR)** | 0.29 mΩ (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Package Size** | 10.2 x 7.0 x 7.0 mm | --- ### 2. Physical Structure and Materials * **Ferrite Core:** It uses a high-frequency ferrite core material that ensures low core losses, making it ideal for high-speed switching power supplies. * **Surface Mount (SMD):** The "R" suffix indicates it is RoHS compliant and designed for automated SMT assembly. * **Vertical Design:** The "FP" (Flat Pac) series often features a vertical construction to minimize the PCB footprint while maintaining high current capacity. --- ### 3. Applications This inductor is engineered for high-density power environments, specifically: 1. **CPU/GPU Power:** Used in multi-phase buck converters for modern processors (VRM 11/12/13). 2. **Data Centers:** High-current DC-DC converters for servers and networking equipment. 3. **Point-of-Load (POL):** Voltage regulation near high-speed FPGAs or ASICs. --- ### 4. Part Number Breakdown The nomenclature follows a specific logic: ```text FP1007 R1 - R14 - R | | | | | | | └── RoHS Compliant | | └─────── Inductance Value: R14 = 0.14µH (140nH) | └────────────── Version/Revision Code └─────────────────── Series/Size (approx 10x7mm) ``` ---