The **PSE104-R36M** is a high-performance, surface-mount (SMD) power inductor commonly used in DC-DC converter applications. It is designed to handle high currents while maintaining a compact footprint. ### 1. Key Technical Specifications The part number follows a specific nomenclature related to its physical size and electrical properties. | Parameter | Value / Description | | :--- | :--- | | **Inductance** | 0.36 µH (indicated by "R36") | | **Tolerance** | Usually ±20% (indicated by "M") | | **Part Series** | PSE104 | | **Footprint Size** | Approx. 10.0 x 10.0 mm | | **Height** | Approx. 4.0 mm | | **Material** | Carbonyl Iron or Metal Alloy Powder (Shielded) | --- ### 2. Core Features * **High Current Handling:** Due to its metal composite core, it can handle high saturation currents without a sharp drop in inductance. * **Magnetic Shielding:** The construction minimizes Electromagnetic Interference (EMI), making it suitable for densely packed circuit boards. * **Low DCR (DC Resistance):** It is designed with thick copper wire to minimize power loss and heat generation. * **Soft Saturation:** Unlike ferrite cores that lose inductance suddenly, this part exhibits a gradual saturation curve. --- ### 3. Application Use-Cases These inductors are typically found in the power stages of modern electronics: 1. **Voltage Regulator Modules (VRM):** Used in CPU and GPU power supplies on motherboards. 2. **Point of Load (POL) Converters:** Used to step down voltage for specific ICs on a PCB. 3. **High-current DC/DC Converters:** Found in automotive electronics and industrial power supplies. 4. **Battery Powered Devices:** Used where high efficiency is required to extend battery life. --- ### 4. Circuit Representation In a schematic, the PSE104-R36M is represented as a standard inductor, typically placed in the output filter stage of a buck converter. ```spice * Typical Buck Converter Output Stage L1 Input_Node Output_Node 0.36uH ; The PSE104-R36M C1 Output_Node GND 100uF ; Smoothing Capacitor ```