The **MP2A-220-R** is a high-performance, shielded power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the **MPI (Miniature Power Inductor)** series, known for its high current handling and compact footprint. --- ### 1. Technical Specifications Below are the primary electrical characteristics for the MP2A-220-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 22.0 µH | | **Tolerance** | ±20% | | **DCR (Direct Current Resistance)** | 275 mΩ (Typical) | | **Isat (Saturation Current)** | 1.8 A | | **Irms (Rated Current)** | 1.4 A | | **Operating Temperature** | -40°C to +125°C | | **Package/Case** | 4.0mm x 4.0mm x 2.1mm | --- ### 2. Key Features The MP2A series is designed for modern electronics that require high efficiency in a small space: * **Shielded Construction:** The inductor is magnetically shielded to minimize Electromagnetic Interference (EMI), which is critical for noise-sensitive circuits. * **Rugged Design:** It features a molded construction that provides high mechanical strength and stability under vibration. * **Soft Saturation:** The core material allows for a "soft" saturation curve, meaning the inductance drops gradually rather than abruptly as current increases beyond the rated limit. * **Halogen-Free & RoHS Compliant:** Environmentally friendly construction. --- ### 3. Applications The MP2A-220-R is typically used in power management stages for portable and industrial electronics: 1. **DC-DC Converters:** Buck, Boost, and SEPIC converters. 2. **Handheld Devices:** Smartphones, tablets, and portable medical equipment. 3. **Computing:** Laptops, servers, and solid-state drives (SSDs). 4. **IoT Devices:** Low-power wireless sensors requiring efficient voltage regulation. --- ### 4. Part Number Breakdown Understanding the nomenclature helps in selecting variants: | Component | Meaning | | :--- | :--- | | **MP2A** | Series Identifier (Automotive grade/High power density) | | **220** | Inductance Code (22 followed by 0 zeros = 22 µH) | | **-R** | RoHS Compliant |