The **M8XT3-1V2Z1-R** is a high-performance, shielded power inductor manufactured by **Eaton (formerly Coiltronics)**. It belongs to the **M8XT series**, which is specifically designed for high-density, automotive, and industrial power conversion applications. --- ### 1. Key Technical Specifications The part number follows a specific nomenclature that defines its electrical and physical characteristics. | Parameter | Value / Description | | :--- | :--- | | **Inductance** | 1.2 µH (Microhenries) | | **Current Rating (Irms)** | Approximately 18A - 22A (typical for this footprint) | | **Saturation Current (Isat)** | High (designed to handle peaks without core saturation) | | **DCR (DC Resistance)** | Ultra-low (typically < 3.5 mΩ) to minimize power loss | | **Operating Temperature** | -40°C to +125°C or +150°C (Automotive Grade) | | **Package / Case** | Surface Mount (SMD) - Shielded Construction | --- ### 2. Physical and Material Construction * **Magnetic Shielding:** The component is magnetically shielded. This is critical for preventing Electromagnetic Interference (EMI) from affecting neighboring components on a dense PCB. * **Core Material:** Usually utilizes a composite powdered iron or metal alloy core, which provides soft saturation characteristics and stable performance over temperature fluctuations. * **Terminations:** RoHS compliant, lead-free tin plating over copper. --- ### 3. Application Use Cases This specific inductor is typically used in **DC-DC Converters** and **Voltage Regulator Modules (VRMs)**. * **Automotive Electronics:** Infotainment systems, Advanced Driver Assistance Systems (ADAS), and body electronics. * **Computing:** High-current power supplies for CPUs and GPUs in servers or industrial PCs. * **Industrial:** Point-of-Load (POL) converters and high-efficiency motor controllers. --- ### 4. Part Number Breakdown (Generic Eaton/M8XT Logic) * **M8XT:** Series Identifier (Designates physical size and core material technology). * **3:** Profile/Height code. * **1V2:** Nominal Inductance value (1.2 µH). * **Z1:** Internal factory/material revision code. * **-R:** RoHS compliant indicator. ---