The **PSP1055-R36N** is a specialized high-performance Power Inductor, typically utilized in high-current DC-DC converter applications. These components are essential for energy storage and filtering in power management systems. ### Technical Specifications | Feature | Specification | | :--- | :--- | | **Inductance** | 0.36 µH (Nominal) | | **Tolerance** | ±20% | | **DCR (Direct Current Resistance)** | Extremely Low (typically < 1.0 mΩ) | | **Saturation Current (Isat)** | High (typically ranges from 40A to 60A+) | | **Operating Temperature** | -40°C to +125°C | | **Package/Case** | SMD (Surface Mount Device) - 10x10mm or similar | --- ### Key Electronic Characteristics #### 1. Low Core Loss The part is manufactured using composite metallic powder materials. This allows for higher efficiency in power conversion by reducing energy lost as heat during high-frequency switching. #### 2. Soft Saturation Unlike traditional ferrite inductors that drop inductance sharply when current limits are reached, the "R36N" series typically exhibits a "soft saturation" curve. This provides a safety margin for power spikes without causing circuit failure. #### 3. High Current Handling The "R36" in the part number signifies the **0.36 microhenry** inductance value. Because this value is relatively low, the physical wire used inside is thicker, allowing it to handle massive amounts of current (Amperes) required for modern CPUs and GPUs. --- ### Common Applications * **Voltage Regulator Modules (VRM):** Found on motherboards to step down voltage for processors. * **Point of Load (POL) Converters:** Used in telecommunications and data centers. * **High-current DC-DC Converters:** Integrated into power supplies for industrial equipment. * **Battery Powered Systems:** Where high efficiency is required to extend battery life. --- ### Equivalent Component Identification If you are looking for alternatives, you should match the following parameters: * **Footprint:** Ensure the pad layout matches (1055 usually refers to ~10mm x 11mm). * **Height:** Ensure the vertical clearance matches your casing. * **Isat:** The saturation current of the replacement must be equal to or higher than the original.