DFE201610E-R24M
AI

The **DFE201610E-R24M** is a high-performance, miniature power inductor manufactured by **Murata Electronics**. It is part of the DFE series, which utilizes metal alloy magnetic materials to achieve high current capabilities in a small footprint.
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### 1. General Specifications
The technical parameters of this component are optimized for high-frequency DC-DC converters in portable electronics.
| Parameter | Value |
| :--- | :--- |
| **Inductance** | 0.24 µH |
| **Tolerance** | ±20% |
| **DC Resistance (Max)** | 16 mΩ |
| **Rated Current (Isat)** | 7.0 A (Based on Inductance change) |
| **Rated Current (Itemp)** | 5.3 A (Based on Temperature rise) |
| **Operating Temp Range** | -40°C to +125°C |
| **Size Code** | 2016 (Metric) / 0806 (Inch) |
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### 2. Key Features and Construction
* **Metal Alloy Core:** Unlike traditional ferrite inductors, this part uses a metal powder core. This allows for **Soft Saturation** characteristics, meaning the inductance drops gradually as current increases rather than dropping abruptly.
* **Magnetic Shielding:** The structure is magnetically shielded, which minimizes Electromagnetic Interference (EMI) with surrounding components on the PCB.
* **Miniature Profile:** The "201610" designation refers to its physical dimensions:
* **Length:** 2.0 mm
* **Width:** 1.6 mm
* **Height:** 1.0 mm (Max)
* **High Current Density:** Despite its small size, it can handle a saturation current (Isat) of up to 7.0A, making it ideal for CPU/GPU power rails.
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### 3. Application Use Cases
This specific inductor is commonly found in the following circuits:
1. **Smartphones & Tablets:** Used in the PMIC (Power Management IC) circuits for core voltage regulation.
2. **Wearable Devices:** Ideal for compact designs requiring high efficiency in a limited space.
3. **DC-DC Converters:** Specifically for point-of-load (POL) modules where high switching frequencies are used.
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### 4. Part Number Breakdown
Understanding the Murata nomenclature:
| Code | Meaning |
| :--- | :--- |
| **DFE** | Series Name (Metal Alloy Inductor) |
| **201610** | Dimensions (2.0 x 1.6 x 1.0 mm) |
| **E** | Individual Specification Code |
| **R24** | Inductance Value (R24 = 0.24 µH) |
| **M** | Tolerance (M = ±20%) |
- ⤷
How does the saturation current (Isat) differ from the temperature rise current (Itemp) for this inductor?
- ⤷ What are the advantages of using metal alloy cores over traditional ferrite cores in DC-DC converters?
- ⤷ What is the recommended solder pad layout for a 2016 metric package?