The **FP1007R6-R15-R** is a high-current, flat-pac power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It is part of the FP1007R series, designed specifically for high-frequency, high-current power applications like Multi-phase Vcore regulators. --- ### 1. Technical Specifications The part number follows a specific nomenclature that defines its electrical properties: | Parameter | Value | Description | | :--- | :--- | :--- | | **Inductance** | 150 nH (0.15 µH) | The "R15" indicates 0.15 microhenries. | | **Isat (Saturation Current)** | 61 A | Current at which inductance drops by ~20%. | | **Irms (Rated Current)** | 40 A | Continuous current rating based on temperature rise. | | **DCR (DC Resistance)** | 0.29 mΩ | Typical resistance at 20°C. | | **Tolerance** | ±10% | Variation in nominal inductance. | | **Operating Temperature** | -40°C to +125°C | Thermal range including self-heating. | --- ### 2. Physical Characteristics This component is designed with a "Flat-Pac" construction to minimize space while maximizing performance. * **Footprint:** Surface Mount (SMD). * **Core Material:** Ferrite (provides low core losses at high frequencies). * **Dimensions:** Approximately 10.2mm x 7.0mm x 7.2mm. * **Lead Finish:** Matte Tin (RoHS compliant). --- ### 3. Key Applications Because of its extremely low DCR and high saturation current, the FP1007R6-R15-R is typically found in: * **Voltage Regulator Modules (VRMs):** Used in CPUs, GPUs, and high-end servers. * **Multi-phase Buck Converters:** Ideal for distributing high current across multiple phases. * **High-density DC-DC Converters:** Where space is limited and efficiency is critical. * **Point-of-Load (POL) Converters:** Providing stable power to ASICs and FPGAs. --- ### 4. Part Number Breakdown Understanding the suffix and prefix: * **FP1007:** Product Series (Flat-Pac inductor, ~10x7mm). * **R6:** Revision or version code (often relates to internal mechanical/material changes). * **R15:** Inductance value (0.15 µH). * **-R:** RoHS compliant designation. --- ### 5. Component Symbol & Footprint Code ```pcb Part: FP1007R6-R15-R Footprint: IND_EATON_FP1007 Pins: 2 Polarity: Non-polar ```