The **M2XRP2-040-R/UL** is a specialized electronic component, typically categorized as a **High-Density Power Inductor** or a custom magnetic component used in power management systems. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. General Specifications This part is designed for high-current applications where stability and efficiency are critical. | Feature | Specification Details | | :--- | :--- | | **Component Type** | Power Inductor / Magnetic Core | | **Inductance** | 0.040 µH (40nH) | | **Tolerance** | Usually ±10% or ±20% | | **Safety Standard** | UL Certified (Underwriters Laboratories) | | **Mounting Type** | Surface Mount (SMD) / Through-Hole (Depending on lead config) | --- ### 2. Key Electronic Characteristics The "M2X" series is often characterized by its robust performance in high-frequency DC-DC converters. * **Low DC Resistance (DCR):** To minimize power loss and heat generation, these parts feature very low resistance (typically in the sub-milliohm range). * **High Saturation Current ($I_{sat}$):** Designed to handle large current spikes without the inductance dropping significantly. * **Thermal Stability:** The materials used are rated for high-temperature environments, often up to 125°C or 150°C. * **R-Suffix / UL Rating:** The "R" usually denotes "RoHS Compliant," while the "UL" indicates that the insulation system and materials meet specific fire and safety standards. --- ### 3. Application Areas These parts are most commonly found in high-performance computing and industrial power supplies. 1. **Voltage Regulator Modules (VRMs):** Used in CPU/GPU power delivery. 2. **Point of Load (POL) Converters:** For local DC-DC conversion on motherboards. 3. **Telecom Power Supplies:** High-efficiency power brick modules. 4. **Automotive Electronics:** Powering infotainment and ADAS sensors. --- ### 4. Technical Summary Table | Parameter | Value/Description | | :--- | :--- | | **Part Number Structure** | M2X (Series) - RP2 (Core Type) - 040 (Inductance) | | **Frequency Range** | Optimized for 100 kHz to 5 MHz | | **Core Material** | Composite Powder or Ferrite (depending on specific revision) | | **Compliance** | RoHS, Reach, and UL 94V-0 (Flame Retardancy) | ---