The **MLF2012DR10KT** is a high-performance multilayer chip inductor manufactured by TDK Corporation. It is specifically designed for high-frequency signal lines and circuit decoupling. ### 1. Technical Specifications The table below summarizes the core electrical and physical characteristics of the component: | Feature | Specification | | :--- | :--- | | **Inductance** | 0.10 µH (100 nH) | | **Tolerance** | ±10% (K) | | **Case Size (EIA/Metric)** | 0805 / 2012 | | **Dimensions (L x W x H)** | 2.00mm x 1.25mm x 0.85mm | | **DC Resistance (DCR)** | 0.15 Ω (Maximum) | | **Rated Current** | 300 mA (Maximum) | | **Self-Resonant Frequency (SRF)** | 550 MHz | | **Q Factor (Minimum)** | 20 at 25 MHz | | **Operating Temperature** | -55°C to +125°C | --- ### 2. Key Features and Construction * **Multilayer Structure:** Unlike wire-wound inductors, this part uses a multilayer ceramic process. This results in a magnetic shield that minimizes crosstalk and electromagnetic interference (EMI). * **Monolithic Design:** The internal electrodes are integrated within the ceramic body, providing high reliability and physical robustness. * **Material Composition:** The "D" in the part number refers to the specific ferrite material used by TDK, optimized for stable inductance across a wide frequency range. --- ### 3. Application Areas The MLF series is versatile and found in numerous electronic systems: 1. **Mobile Devices:** Used in smartphones and tablets for signal processing circuits. 2. **Signal Conditioning:** Ideal for filtering noise in high-speed digital lines. 3. **Module Integration:** Because of its low profile (0.85mm), it is frequently used inside compact RF modules. 4. **Automotive & Industrial:** Suitable for general-purpose decoupling where high reliability is required. --- ### 4. Part Number Breakdown Understanding the TDK naming convention for this part: | Part Segment | Meaning | | :--- | :--- | | **MLF** | Series Name (Multilayer Ferrite) | | **2012** | Dimensions (2.0mm x 1.25mm) | | **D** | Material characteristic code | | **R10** | Inductance value (R10 = 0.10 µH) | | **K** | Inductance tolerance (±10%) | | **T** | Packaging (Tape and Reel) |