The **CTML1206F-R33K** is a surface-mount multilayer chip inductor. It is commonly used in high-frequency circuits for signal filtering and noise suppression. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify the component's physical and electrical characteristics: | Code Segment | Meaning | Description | | :--- | :--- | :--- | | **CTML** | Series | Multilayer Chip Inductor | | **1206** | Case Size | Dimensions: 0.12 x 0.06 inches (3.2 x 1.6 mm) | | **F** | Material | Ferrite core material (Standard) | | **-R33** | Inductance | **0.33 µH** (R denotes decimal point) | | **K** | Tolerance | **±10%** | --- ### 2. Technical Specifications These are the typical electrical parameters for this specific component: * **Inductance:** 0.33 µH (Microhenries) * **Tolerance:** ±10% * **Test Frequency:** Typically measured at 25 MHz * **DC Resistance (DCR):** Max 0.40 Ω (Ohm) * **Rated Current:** ~250 mA (Milliamps) * **Self-Resonant Frequency (SRF):** Min 135 MHz * **Operating Temperature:** -55°C to +125°C --- ### 3. Key Features and Applications The CTML series is designed using a multilayer process which allows for a compact, shield-less design with high reliability. #### Features * **Magnetic Shielding:** The multilayer structure creates a closed magnetic circuit, minimizing EMI (Electromagnetic Interference) leakage. * **Solderability:** Excellent terminal strength for reflow soldering. * **No Cross-coupling:** High-density mounting is possible because magnetic leakage is minimal. #### Typical Applications 1. **Noise Suppression:** Used in power supply lines for computers and mobile devices. 2. **Signal Integrity:** Filtering high-frequency noise in communication equipment. 3. **Consumer Electronics:** Found in digital cameras, TVs, and gaming consoles. --- ### 4. Footprint and Soldering The **1206** package is one of the larger "chip" sizes, making it easy to handle for prototyping while remaining compact for production. ```markdown Dimension Guide (1206): L: 3.2mm ± 0.2mm W: 1.6mm ± 0.2mm T: 1.1mm ± 0.2mm ```