The **SCEP105L-R36** is a high-performance, surface-mount (SMD) power inductor commonly used in DC-DC converters and power supply modules. It is manufactured by **Sumida**, a leader in magnetic components. --- ### 1. Component Identification | Property | Specification | | :--- | :--- | | **Series** | SCEP105L | | **Inductance** | 0.36 µH (denoted by "R36") | | **Package Type** | SMD (Surface Mount Device) | | **Core Material** | Manganese-Zinc (Mn-Zn) Ferrite | | **Shielding** | Magnetically Shielded | --- ### 2. Key Technical Specifications The "105L" series is characterized by high current capacity and low DC resistance (DCR). | Parameter | Typical Value | | :--- | :--- | | **Inductance (at 100kHz)** | 0.36 µH ± 20% | | **DCR (Max at 20°C)** | ~1.70 mΩ | | **Saturation Current (Isat)** | ~24.0 A (Approximate) | | **Temperature Rise Current (Irms)** | ~18.0 A (Approximate) | | **Dimensions** | 10.4 x 10.4 x 5.6 mm | --- ### 3. Core Features and Benefits * **Magnetically Shielded:** The construction minimizes Electromagnetic Interference (EMI), making it suitable for high-density circuit boards where components are packed closely together. * **Low DCR:** By using flat wire or optimized winding techniques, the component minimizes power loss due to heat, increasing the overall efficiency of the power stage. * **High Saturation:** The Mn-Zn ferrite core allows the inductor to handle high peak currents without the inductance dropping significantly. * **Flat Bottom Surface:** Ensures high stability during the SMT (Surface Mount Technology) reflow soldering process. --- ### 4. Typical Applications The SCEP105L-R36 is designed for high-current power electronics, specifically: 1. **Buck/Boost Converters:** Used in voltage regulator modules (VRMs) for CPUs and GPUs. 2. **Server Power Supplies:** Where high efficiency and high current density are required. 3. **Distributed Power Systems:** Converting intermediate bus voltages to lower voltages for digital logic. 4. **Laptops and Peripherals:** Managing power delivery in compact form factors. --- ### 5. Part Number Breakdown ```text SCEP 105 L - R36 | | | | | | | +-- Inductance Value: R36 = 0.36 microhenries (µH) | | +------- Low Profile / Low DCR Variation | +---------- Size Code (approx. 10x10x5mm) +--------------- Series Name (Shielded Power Inductor) ```