The **CT0707F-R56M** is a specific surface-mount electronic component, typically classified as a **Power Inductor** (specifically a shielded power inductor). This part is commonly used in power management circuits for high-frequency DC-DC conversion. --- ## 1. Part Number Breakdown Understanding the alphanumeric code helps identify its technical physical and electrical characteristics: | Code Segment | Description | Specific Detail | | :--- | :--- | :--- | | **CT** | Series Prefix | Generally refers to the manufacturer's series (e.g., Central Technologies). | | **0707** | Case Size | Dimensions (approx. 7.0mm x 7.0mm footprint). | | **F** | Features | Often denotes "Ferrite" core or specific lead-free/RoHS compliance. | | **R56** | Inductance Value | **0.56 µH** (R acts as a decimal point). | | **M** | Tolerance | **±20%** (Standard for power inductors). | --- ## 2. Technical Specifications While exact values can vary slightly by manufacturer, the standard parameters for a 0.56µH inductor in this frame size are: * **Inductance:** 0.56 µH * **Tolerance:** ±20% * **Core Material:** Ferrite (High permeability, low loss at high frequencies). * **Shielding:** Magnetic shielding to prevent Electromagnetic Interference (EMI). * **Operating Temperature:** Typically ranges from -40°C to +125°C. --- ## 3. Typical Electrical Performance | Parameter | Estimated Value | Importance | | :--- | :--- | :--- | | **DCR (Direct Current Resistance)** | ~3.0 mΩ to 10.0 mΩ | Lower DCR means higher efficiency and less heat. | | **Saturation Current (Isat)** | ~15A to 25A | The current level where inductance drops by 30%. | | **RMS Current (Irms)** | ~10A to 18A | The continuous current the part can handle without overheating. | --- ## 4. Common Applications This specific inductor is chosen for circuits requiring high current and low inductance, such as: 1. **DC-DC Converters:** Voltage regulators for CPUs or GPUs. 2. **Point of Load (POL):** Localized power regulation on motherboards. 3. **Battery Powered Devices:** High-efficiency power modules for laptops or tablets. 4. **Telecom Equipment:** Distributed power architectures. --- ## 5. Equivalent Replacement Guide If the CT0707F-R56M is unavailable, look for these common alternatives with matching footprints and specs: * **Bourns:** SRP7030 Series * **Vishay:** IHLP-2525 Series * **Wurth Elektronik:** WE-LHMI or WE-HCI Series