The **FP3-1R0-R** is a high-performance, high-frequency power inductor manufactured by Eaton (formerly Bussmann). It belongs to the **FP3 series** of Flat-Pac™ inductors, designed specifically for high-current applications. --- ### ## Technical Specifications The following table summarizes the key electrical and physical characteristics of the FP3-1R0-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 1.0 µH (Microhenry) | | **Tolerance** | ±20% | | **Current Rating (Irms)** | 14.0 Amperes | | **Saturation Current (Isat)** | 25.0 Amperes | | **DC Resistance (DCR)** | 4.8 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | 7.2mm x 6.7mm x 3.0mm (SMD) | | **Mounting Type** | Surface Mount (SMT) | --- ### ## Key Features * **High Power Density:** The "Flat-Pac" design allows for a very low profile (3.0mm height) while maintaining high current handling capabilities. * **Low DCR:** The extremely low DC resistance (4.8 mΩ) ensures minimal power loss and high efficiency. * **Ferrite Core Material:** Uses high-frequency ferrite core material, which provides low core losses even at switching frequencies above 1 MHz. * **Shielded Construction:** The design provides electromagnetic interference (EMI) shielding, which is critical for sensitive surrounding circuitry. --- ### ## Common Applications The FP3-1R0-R is typically found in modern power management circuits where space is limited and efficiency is critical: 1. **Multi-phase Regulators:** Used in VRMs (Voltage Regulator Modules) for CPUs and GPUs. 2. **DC-DC Converters:** Buck, boost, and SEPIC converters in laptops and servers. 3. **Point-of-Load (POL) Modules:** High-efficiency power supplies located near the load. 4. **Battery Powered Systems:** Handheld devices requiring compact power management components. --- ### ## Part Number Breakdown ```text FP3 - 1R0 - R | | | | | +-- RoHS Compliant | +-------- Inductance Value (1R0 = 1.0 µH) +-------------- Family Series (Flat-Pac 3) ```