The **MP2A-101-R** is a high-performance, power inductor part of the **MP2A series** manufactured by Eaton (formerly Cooper Bussmann). These components are designed for high-density power conversion applications. --- ### 1. Key Technical Specifications The following table highlights the primary electrical characteristics of the MP2A-101-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 100 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | 0.58 Amps (A) | | **Saturation Current (Isat)** | 0.69 Amps (A) | | **DC Resistance (DCR)** | 0.702 Ohms (Ω) typical | | **Operating Temperature** | -40°C to +125°C | | **Mounting Type** | Surface Mount (SMD/SMT) | --- ### 2. Physical and Structural Characteristics * **Core Material:** These inductors typically utilize a Ferrite core material, which provides high efficiency and low core losses at high frequencies. * **Shielding:** The MP2A series is **magnetically shielded**. This is critical for preventing Electromagnetic Interference (EMI) with neighboring components on a crowded PCB. * **Form Factor:** It features a small footprint designed for automated assembly, making it ideal for compact electronic devices. --- ### 3. Applications and Usage The MP2A-101-R is commonly found in circuits requiring stable energy storage and noise filtering. Typical use cases include: 1. **DC-DC Converters:** Buck, boost, and forward converters used in battery-powered devices. 2. **Voltage Regulator Modules (VRM):** Providing stable power to microprocessors and memory. 3. **Consumer Electronics:** Found in digital cameras, hand-held consoles, and mobile peripherals. 4. **LED Drivers:** Used to maintain constant current for high-brightness LEDs. --- ### 4. Part Number Breakdown The part number follows a specific nomenclature: * **MP2A:** Series name (High power density, shielded drum core). * **101:** Inductance code. The first two digits (10) are the significant figures, and the third (1) is the multiplier ($10 \times 10^1 = 100 \text{ µH}$). * **-R:** Indicates that the part is RoHS compliant (lead-free).