The **VCMT053T-R68MN52M** is a high-performance, surface-mount (SMD) power inductor. These components are typically used in voltage regulator modules (VRMs) and DC-DC converters to manage power efficiency and filter electrical noise. --- ### 1. Technical Specifications | Parameter | Value | Description | | :--- | :--- | :--- | | **Inductance** | 0.68 µH | The measure of magnetic energy storage. | | **Tolerance** | ±20% (M) | The allowable deviation from the nominal inductance. | | **Case Size** | 053T | Physical dimensions (approx. 5.0 x 5.0 x 3.0 mm). | | **Current Rating (Isat)** | ~15A - 20A | Saturation current where inductance drops by 30%. | | **DCR (DC Resistance)** | Low (mΩ range) | Minimizes power loss and heat generation. | | **Material** | Metal Alloy / Carbonyl Iron | Composite core for soft saturation characteristics. | --- ### 2. Part Number Breakdown While naming conventions vary slightly by manufacturer (such as **Cyntec** or **Viking**), the code generally follows this logic: * **VCMT**: Series identifier (Metal Alloy / Molded Power Inductor). * **053T**: Physical size code (Length/Width approx 5mm, "T" often refers to height). * **R68**: Inductance value ($0.68$ microhenries). * **M**: Tolerance code ($\pm 20\%$). * **N52M**: Internal factory suffix denoting specific materials, packaging, or lead-free status. --- ### 3. Key Features and Applications #### Key Features * **Shielded Construction:** The molded design reduces Electromagnetic Interference (EMI). * **High Current Handling:** Capable of handling high transient current spikes without core saturation. * **Soft Saturation:** Unlike ferrite cores that drop inductance sharply, these metal alloy cores lose inductance gradually as current increases. * **Thermal Stability:** Operates reliably in high-temperature environments (often up to 125°C or 155°C). #### Common Applications 1. **Laptops & Tablets:** Powering CPUs and GPUs via high-frequency DC-DC converters. 2. **Smartphones:** Used in PMICs (Power Management Integrated Circuits). 3. **Automotive Electronics:** Infotainment systems and ADAS sensors. 4. **Servers:** Distributed power systems and point-of-load (POL) regulators. --- ### 4. Component Comparison If you are looking for an equivalent, you would compare it against these common series: ```text Manufacturer | Series Equivalents -------------|------------------- Vishay | IHLP-2020 Series Bourns | SRP5030 Series TDK | SPM5030 Series ```