The **SRP5030CC-R33M** is a high-current shielded power inductor manufactured by Bourns. It is part of the SRP5030CC series, designed for high-density power applications where space and efficiency are critical. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify the component's specifications: | Segment | Meaning | Specification | | :--- | :--- | :--- | | **SRP** | Series Name | High current shielded power inductor | | **5030** | Case Size | ~5.7 mm x 5.2 mm (Base) x 3.0 mm (Height) | | **CC** | Core Material | Metal alloy (Carbonyl powder) | | **R33** | Inductance Value | **0.33 µH** | | **M** | Tolerance | ±20% | --- ### 2. Key Technical Specifications Below are the electrical and physical characteristics of the SRP5030CC-R33M: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.33 µH | | **DC Resistance (DCR) Typ.** | 3.1 mΩ | | **DC Resistance (DCR) Max.** | 3.52 mΩ | | **Heating Current (Irms)** | 16.0 A (40°C temp rise) | | **Saturation Current (Isat)** | 23.0 A (30% drop in L) | | **Operating Temperature** | -55°C to +125°C | | **Construction** | Shielded (Magnetic powder) | --- ### 3. Core Features & Benefits * **Shielded Construction:** The inductor uses a metal alloy powder core that provides excellent magnetic shielding, resulting in low EMI (Electromagnetic Interference) radiation. * **High Saturation Current:** It can handle high peak currents (up to 23A) without the inductance dropping off sharply. * **Low DCR:** The very low DC resistance minimizes power loss through heat, increasing the overall efficiency of the DC-DC converter. * **AEC-Q200 Compliance:** Most parts in this series are qualified for automotive use, ensuring high reliability in harsh environments. --- ### 4. Typical Applications This component is commonly found in modern electronics requiring high power density: 1. **DC/DC Converters:** For distributed power systems and VRMs (Voltage Regulator Modules). 2. **Consumer Electronics:** Laptops, tablets, and gaming consoles where board space is limited. 3. **Automotive Systems:** Driver assistance systems, infotainment, and lighting. 4. **Power Supplies:** High-efficiency POL (Point of Load) converters. --- ### 5. Footprint Example (Recommended Land Pattern) ```text [ 5.7 mm ] +--------------+ | (Inductor) | | | [ 5.2 mm ] +--------------+ [Pad Size] 2.2mm x 2.5mm ```