The **MLPCH12-R68M-RC** is a high-performance, surface-mount (SMD) power inductor. This component is typically used in power management circuits, such as DC-DC converters, due to its high current handling and low resistance. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify its core specifications: | Segment | Meaning | Description | | :--- | :--- | :--- | | **MLPCH** | Series | Molded Power Choke (High Performance) | | **12** | Size Code | Typically refers to the physical footprint (e.g., 12mm x 12mm) | | **R68** | Inductance | **0.68 µH** (R denotes the decimal point) | | **M** | Tolerance | **±20%** | | **RC** | Compliance | RoHS Compliant | --- ### 2. Technical Specifications While exact values can vary slightly by manufacturer (such as Mag.Layers), the general characteristics for a part in this class are: * **Inductance:** 0.68 µH * **DC Resistance (DCR):** Extremely low (typically in the range of 1.0mΩ to 3.0mΩ) to minimize power loss. * **Saturation Current (Isat):** Very high (often 30A - 50A range), meaning the inductance won't drop significantly under high loads. * **Heat Rating Current (Irms):** High thermal capacity for continuous operation. * **Construction:** Metal alloy powder molding, which provides excellent magnetic shielding and reduces audible "buzzing" (acoustic noise). --- ### 3. Key Features * **Magnetic Shielding:** The molded construction naturally shields the inductor, reducing Electromagnetic Interference (EMI) with surrounding components. * **Soft Saturation:** Unlike ferrite core inductors, metal composite inductors have a "soft" saturation curve, making them more stable during current spikes. * **High Frequency:** Suitable for high-frequency switching power supplies (up to several MHz). --- ### 4. Common Applications This part is commonly found in high-current power environments: 1. **Motherboards & Servers:** Voltage Regulator Modules (VRM) for CPUs and GPUs. 2. **Telecom:** Base station power modules. 3. **Industrial:** High-efficiency DC-DC buck converters. 4. **Automotive:** (If grade certified) Infotainment and ECU power rails. --- ### 5. Footprint Example (Typical) ```text Top View Side View ________________ _____________ | | | | | R68 | | | | (Mark) | |_____________| |________________| _|_ _|_ ```