The **SRP0410F-R56M** is a high-performance, shielded power inductor manufactured by Bourns. It is specifically designed for high-current power supplies and DC/DC converters where efficiency and compact size are critical. --- ### 1. Key Technical Specifications | Parameter | Value | | :--- | :--- | | **Inductance** | 0.56 µH | | **Tolerance** | ±20% | | **Irms (Heating Current)** | 7.5 A | | **Isat (Saturation Current)** | 12.0 A | | **DCR (DC Resistance)** | 11.5 mΩ (Typ) / 13.5 mΩ (Max) | | **Operating Temperature** | -55 °C to +125 °C | | **Case Size** | 4.0 x 4.0 x 1.0 mm | --- ### 2. Physical Construction & Parts The device is built using a **Metal Alloy Powder Core**. Unlike traditional ferrite inductors, this construction offers: * **Magnetically Shielded Design:** Reduces electromagnetic interference (EMI) with surrounding components. * **Low Profile:** The "10" in the part number indicates a maximum height of roughly 1.0 mm, making it ideal for ultra-thin electronics. * **Flat Wire Technology:** Often used in this series to reduce DC resistance (DCR) and improve thermal performance. --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying its characteristics: | Code Segment | Meaning | | :--- | :--- | | **SRP** | High Current Shielded Power Inductor Series | | **0410** | Dimensions (approx. 4.0mm x 4.0mm x 1.0mm) | | **F** | Lead-free / RoHS compliant | | **R56** | Inductance Value (R56 = 0.56 µH) | | **M** | Tolerance (M = ±20%) | --- ### 4. Applications The SRP0410F-R56M is typically found in the following electronic circuits: * **DC/DC Converters:** Voltage regulation in smartphones and tablets. * **Power Modules:** High-density power supplies for servers. * **Laptops:** Used in CPU/GPU power rails due to high saturation current. * **Battery Powered Devices:** Where low DCR is required to preserve battery life. ---