## Overview of DFE201610P-R68M=P2 The **DFE201610P-R68M=P2** is a high-performance, low-profile fixed inductor manufactured by **Murata Electronics**. It belongs to the DFE series, which utilizes metal alloy magnetic materials to achieve high current capabilities and low DC resistance in a compact footprint. --- ### Technical Specifications | Parameter | Value | Details | | :--- | :--- | :--- | | **Inductance** | 0.68 µH | Tolerance: ±20% (M) | | **Case Size (EIA)** | 0806 | Metric size: 2.0 x 1.6 mm | | **Height (Max)** | 1.0 mm | Ultra-low profile | | **Rated Current (Isat)** | 3.5 A | Based on Inductance change (-30%) | | **Rated Current (Itemp)** | 3.0 A | Based on Temperature rise (+40°C) | | **DC Resistance (DCR)** | 48 mΩ | Maximum (Typical: 38 mΩ) | | **Operating Temp** | -40°C to 125°C | Includes self-heating | --- ### Key Features and Construction 1. **Metal Alloy Technology**: - Unlike traditional ferrite inductors, this part uses a metal powder core. - This allows for a "soft saturation" characteristic, meaning the inductance drops gradually as current increases rather than dropping sharply. 2. **Magnetic Shielding**: - The molded construction provides excellent magnetic shielding, reducing Electromagnetic Interference (EMI) with neighboring components on the PCB. 3. **High Efficiency**: - The low DC resistance (DCR) minimizes power loss, making it ideal for battery-operated devices. --- ### Common Applications The DFE201610P series is primarily designed for high-density power supply circuits. * **DC-DC Converters**: Used as a power inductor in buck/boost regulators. * **Mobile Devices**: Smartphones, tablets, and wearable tech where PCB space is limited. * **Computing**: SSDs, portable gaming consoles, and IoT modules. --- ### Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **DFE** | Series name (Metal Alloy Type) | | **2016** | Dimensions (2.0mm x 1.6mm) | | **10** | Maximum Height (1.0mm) | | **P** | Internal Identification Code | | **R68** | Inductance Value (0.68 µH) | | **M** | Tolerance (±20%) |