The **MLZ2012N2R2LT000** is a multilayer chip inductor specifically designed for decoupling applications in power supply circuits. It is manufactured by **TDK Corporation**. --- ### 1. Key Technical Specifications The table below outlines the primary electrical and physical characteristics of this component: | Parameter | Value / Specification | | :--- | :--- | | **Inductance** | 2.2 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.15 Ω (±30%) | | **Rated Current (Isat)** | 550 mA (Max) | | **Rated Current (Itemp)** | 800 mA (Max) | | **Package / Case** | 0805 (2012 Metric) | | **Dimensions (L x W x H)** | 2.00mm x 1.25mm x 1.25mm | | **Operating Temperature** | -55°C to +125°C | --- ### 2. Core Features * **Multilayer Structure:** Built using ceramic layers and internal electrodes, which provides a compact footprint and high reliability compared to wire-wound inductors. * **Decoupling Optimization:** Unlike standard signal inductors, the MLZ series is optimized for DC-DC converter power lines, offering low DC resistance and high current handling. * **Magnetic Shielding:** The multilayer construction naturally provides magnetic shielding, reducing electromagnetic interference (EMI) with surrounding components. * **Material Design:** Uses a specific ferrite material that maintains stable inductance even as the DC current increases (excellent saturation characteristics). --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying equivalent parts: | Code | Meaning | | :--- | :--- | | **MLZ** | Series Name (Multilayer Inductor for Power Lines) | | **2012** | Dimensions (2.0mm x 1.25mm) | | **N** | Classification (Standard Product) | | **2R2** | Inductance Value (2.2 µH) | | **L** | Tolerance (±20%) | | **T000** | Packaging Style (Taping / Reel) | --- ### 4. Typical Applications * **Mobile Devices:** Used in smartphones and tablets for power management IC (PMIC) decoupling. * **Consumer Electronics:** Hard disk drives (HDDs), portable consoles, and digital cameras. * **Noise Suppression:** Effective at filtering high-frequency noise in power supply rails to ensure stable voltage delivery to sensitive ICs.