The **MLF2012DR10MTD25** is a high-performance multilayer inductor manufactured by **TDK Corporation**. It is part of the MLF series, specifically designed for general-purpose circuits, featuring a compact footprint and high reliability. ### 1. General Specifications Below are the primary technical parameters for this specific part number: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.1 µH (100 nH) | | **Tolerance** | ±20% (M) | | **Case Size (EIA/Metric)** | 0805 / 2012 | | **Rated Current (max)** | 300 mA | | **DC Resistance (max)** | 0.15 Ω | | **Self-Resonant Frequency** | 550 MHz (min) | | **Operating Temperature** | -55°C to +125°C | | **Mounting Type** | Surface Mount (SMD) | --- ### 2. Part Number Breakdown The alphanumeric code follows TDK’s standard nomenclature for multilayer inductors: * **MLF**: Series Name (Multilayer Ferrite). * **2012**: Dimensions (2.0mm length x 1.25mm width). * **D**: Characteristic type (Standard). * **R10**: Inductance value (R = decimal point; R10 = 0.10 µH). * **M**: Inductance tolerance (±20%). * **T**: Packaging (Taping/Reel). * **D25**: Internal control/specific design code. --- ### 3. Key Features * **Multilayer Construction:** The inductor is created by layering ferrite and conductive materials, resulting in a magnetic shield. This prevents electromagnetic interference (EMI) with neighboring components. * **High Reliability:** Designed to operate in a wide temperature range, making it suitable for automotive and industrial applications. * **Compact 0805 Footprint:** Ideal for high-density circuit boards where space is limited. * **AEC-Q200 Compliant:** Often used in automotive environments due to its robustness against mechanical stress and heat. --- ### 4. Common Applications This inductor is typically used in signal line circuits for: 1. **Mobile Devices:** Smart phones and tablets for power decoupling. 2. **Automotive Electronics:** Infotainment systems and ECUs (Electronic Control Units). 3. **Consumer Electronics:** Hard disk drives, digital cameras, and audio equipment. 4. **Noise Suppression:** Effective at filtering high-frequency noise in power supply lines.