## Technical Overview: CTML1206F-R082M The **CTML1206F-R082M** is a high-frequency, surface-mount multilayer chip inductor. It is designed for compact electronic circuits where space-saving and high-reliability performance are required. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify its physical and electrical characteristics: | Code Segment | Meaning | Specification | | :--- | :--- | :--- | | **CTML** | Series Type | Multilayer Chip Inductor | | **1206** | Case Size | 1206 (3.2mm x 1.6mm) | | **F** | Lead-Free | RoHS Compliant / Lead-free termination | | **R082** | Inductance Value | 0.082 µH (82 nH) | | **M** | Tolerance | ±20% | --- ### 2. Key Electrical Specifications Below are the typical operating parameters for this specific component: * **Inductance:** 0.082 µH (82 nH) * **Inductance Tolerance:** ±20% * **Quality Factor (Q) Min:** 15 (measured at 50 MHz) * **Self-Resonant Frequency (SRF) Min:** 450 MHz * **DC Resistance (DCR) Max:** 0.25 Ω * **Rated Current (Imax):** ~300 mA * **Operating Temperature:** -55°C to +125°C --- ### 3. Construction and Material This part is a **Multilayer Inductor**, meaning it is constructed by layering ceramic material and conductive internal electrodes. * **Body Material:** Ferrite or Ceramic base (depending on the specific frequency tuning). * **Terminations:** Typically Nickel barrier with a Solder (Tin) overcoat to prevent leaching during the soldering process. * **Magnetic Shielding:** Because it is a multilayer structure, it provides a closed magnetic path, resulting in low magnetic leakage and high density mounting without crosstalk. --- ### 4. Common Applications Due to its small 1206 footprint and high-frequency capabilities, it is commonly found in: 1. **Mobile Communications:** Smartphones and tablets for signal filtering. 2. **RF Circuits:** Matching networks and high-frequency resonance circuits. 3. **Computer Peripherals:** Noise suppression in motherboards and high-speed data lines. 4. **Power Management:** Low-current DC-DC converter output filtering. --- ### 5. Physical Dimensions (1206 Metric 3216) | Dimension | Millimeters (mm) | Inches (in) | | :--- | :--- | :--- | | **Length (L)** | 3.20 ± 0.20 | 0.126 ± 0.008 | | **Width (W)** | 1.60 ± 0.20 | 0.063 ± 0.008 | | **Thickness (T)** | 1.10 ± 0.20 | 0.043 ± 0.008 |