The **SRP7030-R82M** is a high-current, shielded power inductor manufactured by **Bourns**. It is designed for applications requiring high reliability and efficiency in DC/DC converters and power supplies. --- ### 1. Key Technical Specifications The part number itself follows a specific nomenclature that defines its physical and electrical characteristics: | Parameter | Value / Description | | :--- | :--- | | **Inductance** | 0.82 µH | | **Tolerance** | ±20% (indicated by 'M') | | **DCR (Direct Current Resistance)** | 4.8 mΩ (Typical) / 5.4 mΩ (Max) | | **Irms (Heating Current)** | 13.0 Amperes | | **Isat (Saturation Current)** | 17.0 Amperes | | **Operating Temperature** | -45 °C to +150 °C | | **Dimensions (L x W x H)** | 7.3 x 6.6 x 3.0 mm | --- ### 2. Physical Construction and Features The SRP7030 series is built using advanced materials to handle high power densities: * **Shielded Construction:** The inductor is magnetically shielded. This minimizes Electromagnetic Interference (EMI) which is crucial for sensitive electronic circuits. * **Metal Powder Core:** It utilizes a carbonyl powder core. This provides high saturation current characteristics, meaning the inductance doesn't drop sharply when high current flows through it. * **Flat Wire Technology:** Many inductors in this class use flat wire windings to reduce DC resistance (DCR) and improve thermal performance. * **AEC-Q200 Compliance:** Most variations of this series are automotive grade, ensuring high vibration and thermal shock resistance. --- ### 3. Application Use Cases This specific part is typically found in the following environments: 1. **Voltage Regulator Modules (VRMs):** Used in CPU/GPU power delivery for servers and laptops. 2. **DC/DC Converters:** High-frequency switching regulators where high efficiency and low heat generation are required. 3. **Automotive Electronics:** Driver assistance systems, infotainment, and lighting control units. 4. **Industrial Power Supplies:** Compact power modules for automation equipment. --- ### 4. Footprint and Mounting The part is designed for **Surface Mount Technology (SMT)**. Below is a simplified representation of its physical footprint: ```text 7.3 mm [---------------] | | | R82M | 6.6 mm | | [---------------] (Bottom) [===] [===] <- Solder Pads ``` ---