The **MP2A-470-R** is a high-performance, shielded power inductor part of the **MP2A series** manufactured by Eaton (formerly Bussmann/Coiltronics). These components are designed specifically for high-density power conversion applications. --- ## 1. Technical Specifications Below are the primary electrical and physical characteristics of the MP2A-470-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 47.0 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.235 Ω (Typical) | | **Rated Current (Irms)** | 1.14 Amps | | **Saturation Current (Isat)** | 1.48 Amps | | **Operating Temperature** | -40°C to +125°C | | **Package Type** | Surface Mount (SMD) | | **Shielding** | Magnetically Shielded | --- ## 2. Key Features * **Magnetically Shielded:** The core structure minimizes Electromagnetic Interference (EMI), making it suitable for noise-sensitive circuits near CPUs or wireless modules. * **High Power Density:** Designed to handle significant current levels relative to its small physical footprint. * **Robust Construction:** The MP2A series uses high-temperature materials capable of withstanding lead-free reflow soldering processes. * **Low Core Loss:** Optimized for high-frequency switching power supplies. --- ## 3. Common Applications The MP2A-470-R is typically found in the following electronic environments: 1. **DC-DC Converters:** Used as energy storage elements in buck, boost, or SEPIC converters. 2. **Portable Electronics:** Ideal for tablets, smartphones, and handheld medical devices due to its low profile. 3. **Computing:** Voltage Regulator Modules (VRMs) for laptops and servers. 4. **LED Lighting:** Used in driver circuits to maintain steady current flow. --- ## 4. Part Number Breakdown The nomenclature for this part follows a specific logic: * **MP2A:** Series name (Multi-Phase/Power Inductor, Size 2A). * **470:** Inductance value in microhenries (µH). The first two digits are significant figures, and the third is the multiplier ($47 \times 10^0$). * **-R:** Indicates compliance with RoHS (Restriction of Hazardous Substances) standards. ---