The **MPV310Z1HJ-R** is a specific surface-mount power inductor manufactured by **Eaton (formerly Coiltronics)**. It is part of the MPV series, which is designed for high-power density and efficiency in automotive and industrial applications. --- ### 1. General Specifications The part number follows a specific coding system that defines its physical and electrical characteristics: | Parameter | Specification | | :--- | :--- | | **Component Type** | Molded Power Inductor | | **Inductance** | 1.0 µH (Indicated by "1R0" or coded logic) | | **Tolerance** | ±20% (Standard for this series) | | **Operating Temperature** | -40°C to +125°C (AEC-Q200 Grade 1) | | **Core Material** | Metal Alloy (Low core loss, soft saturation) | --- ### 2. Key Features * **AEC-Q200 Qualified:** Rigorously tested for automotive reliability, including thermal shock and vibration resistance. * **High Current Handling:** Due to the metal powder core, it can handle high peak currents without instantaneous magnetic saturation. * **EMI Shielding:** The molded construction provides inherent electromagnetic interference (EMI) shielding, reducing noise in sensitive circuits. * **Low DCR:** It features low Direct Current Resistance, which minimizes power loss and heat generation. --- ### 3. Electronic Application & Use Cases This inductor is primarily used in **DC-DC converters** and voltage regulator modules. Common applications include: 1. **Automotive Systems:** * Advanced Driver Assistance Systems (ADAS). * Infotainment and navigation units. * Electronic Control Units (ECUs). 2. **Industrial Electronics:** * Distributed power systems. * Battery-powered equipment requiring high efficiency. 3. **Computing:** * Point-of-Load (POL) converters for high-end processors. --- ### 4. Technical Summary Table | Feature | Performance Benefit | | :--- | :--- | | **Molded Construction** | Improved mechanical strength and reduced audible noise. | | **Soft Saturation** | Stable performance even when current exceeds nominal ratings. | | **Surface Mount (SMD)** | Compatible with high-speed automated pick-and-place assembly. | ---