The **LSML-201209-R56M-T** is a surface-mount (SMD) multilayer chip inductor. This specific part is commonly used in high-frequency circuits for noise suppression and power management in compact electronics like smartphones and tablets. ### 1. Part Number Breakdown Understanding the nomenclature helps identify the physical and electrical characteristics: | Code | Segment | Meaning | | :--- | :--- | :--- | | **LSML** | Series | Multilayer Chip Inductor (Standard/Low Profile) | | **2012** | Case Size | 2.0mm x 1.25mm (Metric) / 0805 (Imperial) | | **09** | Thickness | 0.9mm thickness | | **R56** | Inductance | 0.56 µH (R acts as a decimal point) | | **M** | Tolerance | ±20% | | **T** | Packaging | Tape & Reel | --- ### 2. Technical Specifications Below are the typical electrical parameters for this specific component: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.56 µH | | **Inductance Tolerance** | ±20% | | **DC Resistance (DCR)** | ~0.15 - 0.25 Ω (Max) | | **Rated Current (Idc)** | ~300 - 500 mA | | **Self-Resonant Frequency (SRF)** | >100 MHz | | **Operating Temperature** | -40°C to +85°C | --- ### 3. Key Electronic Characteristics * **Multilayer Construction:** Unlike wire-wound inductors, these are made by layering ferrite paste and conductive paste. This results in a monolithic structure that is highly reliable and provides excellent magnetic shielding. * **Magnetic Shielding:** The closed magnetic circuit design minimizes electromagnetic interference (EMI) and crosstalk with neighboring components on a dense PCB. * **Small Form Factor:** The 0805 (2012 metric) footprint is ideal for space-constrained designs. --- ### 4. Applications This part is typically found in the following electronic circuits: 1. **DC-DC Converters:** Used for energy storage and filtering in small power supply modules. 2. **EMI Suppression:** Filtering high-frequency noise in signal lines. 3. **Mobile Devices:** Power management IC (PMIC) circuits in phones, wearables, and portable gadgets. ---