The **LSW-1008-R10M-T** is a surface-mount (SMD) power inductor commonly used in DC-DC converter circuits and power management modules. This specific part belongs to a class of wire-wound inductors designed for high-frequency performance and compact footprints. ### 1. Part Number Deciphering To understand the component, we can break down the typical nomenclature used by manufacturers (such as Chilisin or similar magnetics vendors): | Segment | Code | Meaning | | :--- | :--- | :--- | | **Series** | LSW | Likely a Low-profile Wire-wound Series | | **Size** | 1008 | Dimensions: 1.0 x 0.8 inches (or mm equivalent, usually 2520 metric) | | **Inductance** | R10 | 0.10 µH (Microhenries) | | **Tolerance** | M | ±20% Tolerance | | **Packaging** | T | Tape & Reel packaging | --- ### 2. Technical Specifications While exact values can vary slightly by manufacturer, the standard parameters for an R10M inductor in a 1008 package are generally: * **Inductance:** 0.10 µH * **DC Resistance (DCR):** Very low (typically < 0.10 Ω), which minimizes power loss as heat. * **Saturation Current ($I_{sat}$):** High, often ranging from 1A to 3A depending on core material. This is the current at which inductance drops by a specific percentage. * **Operating Temperature:** Generally rated for -40°C to +125°C. --- ### 3. Core Features & Construction * **Wire-Wound Construction:** Provides higher Q-factors (quality) and higher current handling compared to multilayer ceramic inductors. * **Magnetic Shielding:** Depending on the specific "LSW" sub-series, these may be unshielded or resin-shielded to reduce Electromagnetic Interference (EMI). * **Miniaturization:** The 1008 footprint is optimized for space-constrained devices like smartphones, tablets, and wearable tech. --- ### 4. Typical Applications The LSW-1008-R10M-T is primarily used for filtering and energy storage in: 1. **Switching Power Supplies:** High-frequency DC-DC converters. 2. **RF Circuits:** Used as a choke for power lines to prevent high-frequency noise from entering the power supply. 3. **Mobile Devices:** Power management ICs (PMICs) for CPUs or GPUs. --- ### 5. Sample Land Pattern (Example) To integrate this into a PCB, a standard 2520 (metric) footprint is used: ```markdown [ Pad 1 ] ---- [ Pad 2 ] (1.0mm) (1.0mm) <-- 2.5mm Total --> ```