The **MLZ2012A2R2WT000** is a multilayer inductor specifically designed for decoupling circuits. It is manufactured by TDK Corporation and is part of the MLZ series, which is optimized for power line applications where low resistance and high stable current are required. --- ### 1. Key Technical Specifications | Parameter | Value / Specification | | :--- | :--- | | **Inductance** | 2.2 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.15 Ω (±30%) | | **Rated Current (Isat)** | 350 mA (Max) | | **Case Code (Inch/Metric)** | 0805 / 2012 | | **Operating Temperature** | -55°C to +125°C | | **Material** | Ferrite Core | --- ### 2. Physical Dimensions The part follows the standard **2012 (metric)** or **0805 (imperial)** footprint, making it highly compatible with automated SMT (Surface Mount Technology) assembly. * **Length (L):** 2.00 mm * **Width (W):** 1.25 mm * **Thickness (T):** 1.25 mm --- ### 3. Core Features & Benefits * **Multilayer Structure:** Unlike wire-wound inductors, this uses a multilayer process that allows for a compact, shielded design, reducing electromagnetic interference (EMI). * **High Current Handling:** The MLZ series is engineered to maintain stable inductance even when high currents are applied, compared to standard signal-line inductors. * **Magnetic Shielding:** The closed magnetic circuit minimizes leakage flux, preventing crosstalk between components on high-density PCBs. * **Durability:** It is designed to withstand harsh thermal environments, making it suitable for automotive and industrial modules. --- ### 4. Typical Applications The MLZ2012A2R2WT000 is primarily used in the following scenarios: 1. **Smartphones and Tablets:** Used in power supply lines for ICs to suppress noise. 2. **Digital Cameras:** Decoupling of power lines to ensure stable sensor performance. 3. **Portable Audio:** Filtering high-frequency noise in sensitive audio circuits. 4. **DC-DC Converters:** Acts as a small-scale energy storage or filter component in low-power conversion modules.