The **CMLS063T-R68MS** is a high-performance, surface-mount (SMD) power inductor commonly used in DC-DC converters and high-current power supplies. It belongs to the **CMLS series** manufactured by Cyntec. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify its specific electrical characteristics: | Code Segment | Meaning | Description | | :--- | :--- | :--- | | **CMLS** | Series Name | High current, molded power inductor series. | | **063T** | Case Size | Dimensions approx. 7.3 x 6.6 x 3.0 mm. | | **R68** | Inductance | **0.68 µH** (R denotes the decimal point). | | **M** | Tolerance | **±20%** (standard for power inductors). | | **S** | Special Code | Internal manufacturing/standard designation. | --- ### 2. Key Specifications These values are critical for circuit design to ensure the component does not overheat or saturate. | Property | Value | | :--- | :--- | | **Inductance** | 0.68 µH | | **DC Resistance (DCR) Max** | ~5.4 mΩ | | **Saturation Current (Isat)** | ~18.0 A (Typical) | | **Heating Current (Irms)** | ~12.0 A (Typical) | | **Operating Temperature** | -55°C to +125°C | --- ### 3. Core Technologies & Features * **Metal Molded Construction:** Unlike traditional wire-wound inductors with open cores, this part is molded using a metallic powder. This provides "soft saturation" characteristics, meaning the inductance drops gradually rather than abruptly when current increases. * **Magnetic Shielding:** The molded body acts as a natural shield, minimizing Electromagnetic Interference (EMI) with surrounding components. * **Low DCR:** The use of thick copper wire ensures very low internal resistance, which reduces power loss and heat generation. --- ### 4. Common Applications Due to its high current handling and compact size, the CMLS063T-R68MS is typically found in: * **Voltage Regulator Modules (VRMs):** For CPUs and GPUs in laptops and desktops. * **Point of Load (PoL) Converters:** Converting 12V or 5V rails to lower voltages (1.8V, 1.2V, etc.). * **Battery Powered Devices:** High-efficiency power management in mobile electronics. * **SSD Power Supplies:** Providing stable current in constrained spaces.