The **HPC073N-R56MTR** is a high-current, surface-mount (SMD) power inductor. It is commonly used in DC-DC converters and power management modules where high efficiency and low electromagnetic interference (EMI) are required. --- ### 1. Technical Specifications The following table outlines the primary electrical and physical characteristics of this component: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.56 µH | | **Tolerance** | ±20% (M) | | **DC Resistance (DCR)** | ~1.8 mΩ (Max) | | **Saturation Current (Isat)** | ~25A - 30A | | **Heat Rating Current (Irms)** | ~18A - 22A | | **Package Size** | 7.0 x 3.0 mm (approx.) | | **Operating Temp** | -40°C to +125°C | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying the component's capabilities: * **HPC**: Series designation (High Power/Current Inductor). * **073N**: Physical dimensions (approx. 7mm length/width, 3mm height). * **R56**: Inductance value (R represents the decimal point: 0.56 microhenries). * **M**: Tolerance (M = ±20%). * **TR**: Packaging format (Tape & Reel). --- ### 3. Key Features * **Shielded Construction:** Designed to minimize magnetic flux leakage, reducing interference with surrounding components. * **Low DCR:** The low DC resistance minimizes power loss through heat, making it ideal for high-efficiency battery-operated devices. * **High Saturation Current:** It can handle significant current spikes without the inductance dropping off sharply. * **Composite Core:** Usually constructed using a metal alloy powder core, providing better stability over temperature compared to traditional ferrite. --- ### 4. Common Applications This inductor is typically found in the following electronic circuits: 1. **Voltage Regulator Modules (VRM):** For CPU and GPU power supplies. 2. **Point of Load (POL) Converters:** Decentralized power conversion on motherboards. 3. **Battery Powered Devices:** High-end tablets, laptops, and portable medical equipment. 4. **Automotive Electronics:** Infotainment systems and ADAS sensors.