## SRP7030-R22M: Technical Specifications and Overview The **SRP7030-R22M** is a high-current, shielded power inductor manufactured by **Bourns**. It is designed for high-density power applications where space is limited and efficiency is critical. ### 1. Part Number Breakdown Understanding the nomenclature helps identify its physical and electrical characteristics: | Component | Code | Description | | :--- | :--- | :--- | | **Series** | SRP7030 | High current, shielded power inductor (approx. 7x7 mm footprint) | | **Inductance** | R22 | 0.22 microhenries (µH) | | **Tolerance** | M | ±20% | --- ### 2. Key Technical Specifications The SRP7030-R22M is characterized by low DC resistance and high saturation current. | Parameter | Value | | :--- | :--- | | **Inductance** | 0.22 µH | | **DC Resistance (DCR) Typ.** | 2.1 mΩ | | **DC Resistance (DCR) Max.** | 2.5 mΩ | | **I rms (Temperature Rise Current)** | 23.0 A | | **I sat (Saturation Current)** | 40.0 A | | **Operating Temperature** | -40 °C to +125 °C | | **Shielding** | Shielded (Carbonyl Powder Core) | --- ### 3. Physical Dimensions The "7030" in the part number refers to the approximate package size in millimeters. * **Length:** 7.0 mm (± 0.3) * **Width:** 6.6 mm (± 0.2) * **Height:** 3.0 mm (Max) --- ### 4. Core Features and Applications #### Features: * **Magnetic Shielding:** The carbonyl powder core construction provides effective EMI shielding and low buzz noise. * **High Saturation:** Handles high peak currents without the inductance dropping off sharply. * **AEC-Q200 Compliant:** Often used in automotive environments due to high reliability. #### Common Applications: 1. **DC/DC Converters:** Used in voltage regulator modules (VRMs) for CPUs and GPUs. 2. **Consumer Electronics:** High-current power supplies in laptops and tablets. 3. **Industrial:** LED lighting drivers and high-density power modules. --- ### 5. Footprint Recommendation (Typical) If you are designing a PCB, the typical pad layout for this component is as follows: ```markdown Pad Width: ~3.5 mm Pad Depth: ~1.5 mm Gap Between Pads: ~3.7 mm ```