The **MPIA4015V2-2R2-R** is a high-performance, automotive-grade power inductor manufactured by Eaton (formerly Cooper Bussmann). It belongs to the MPIA4015V2 series, designed for high power density and reliability. --- ### 1. Part Number Breakdown Understanding the nomenclature helps in identifying its specific characteristics: | Code Segment | Meaning | Specification | | :--- | :--- | :--- | | **MPIA** | Series Name | Metal Process Inductor, Automotive Grade | | **4015** | Physical Size | 4.0mm x 4.0mm (Length x Width), 1.5mm Height | | **V2** | Version | Revision 2 (Improved performance/materials) | | **2R2** | Inductance Value | 2.2 Microhenries ($\mu H$) | | **R** | Packaging/RoHS | Tape and Reel, RoHS compliant | --- ### 2. Technical Specifications This component is engineered for high-frequency DC-DC converters and harsh environments. | Parameter | Value | | :--- | :--- | | **Inductance** | 2.2 $\mu H$ | | **Inductance Tolerance** | $\pm 20\%$ | | **Rated Current (Irms)** | ~3.8A to 4.2A (Typical heat rise) | | **Saturation Current (Isat)** | ~5.0A to 5.5A (Typical 30% drop) | | **DC Resistance (DCR)** | ~40-48 m$\Omega$ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Construction** | Metal powder core (shielded) | --- ### 3. Key Features * **AEC-Q200 Qualified:** Tested for automotive reliability (vibration, thermal shock, and moisture resistance). * **High Power Density:** Large current handling capability within a very small 4.0 x 4.0 x 1.5mm footprint. * **Magnetically Shielded:** The metal powder construction minimizes Electromagnetic Interference (EMI), which is critical in sensitive automotive electronics. * **Low Core Losses:** Optimized for high-frequency switching (MHz range), improving overall power supply efficiency. --- ### 4. Common Applications Due to its ruggedness and compact size, the MPIA4015V2-2R2-R is typically found in: 1. **Automotive Infotainment:** Powering displays, GPS, and audio units. 2. **ADAS (Advanced Driver Assistance Systems):** Powering cameras and radar modules. 3. **Industrial IoT:** Compact sensors and communication gateways. 4. **DC-DC Converters:** Point-of-load (POL) modules for microprocessors and FPGAs. ---