The **CT1206CSF-R82M** is a high-frequency, wire-wound surface mount (SMD) chip inductor. It is designed for applications requiring high stability and precision in a compact form factor. --- ### 1. Technical Specifications The part number follows a specific nomenclature that defines its electronic characteristics: | Parameter | Specification | Details | | :--- | :--- | :--- | | **Inductance** | 0.82 µH (820 nH) | The primary magnetic storage value. | | **Tolerance** | ±20% | Indicated by the suffix 'M'. | | **Case Size** | 1206 (EIA) | Physical dimensions: 3.2mm x 1.6mm. | | **Material** | Ceramic Core | Provides high Q-factors at high frequencies. | | **Mounting Type** | SMD/SMT | Surface Mount Technology. | --- ### 2. Performance Characteristics The "CSF" series by Central Technologies is typically characterized by high "Q" (Quality Factor) and high Self-Resonant Frequency (SRF). * **High Q Factor:** Ensures low energy loss in resonant circuits. * **Wire-Wound Construction:** Unlike multilayer inductors, the wire-wound design allows for lower DC Resistance (DCR) and higher current handling capabilities. * **Thermal Stability:** Ceramic cores offer excellent stability across a wide temperature range compared to ferrite cores. --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying equivalent parts: | Code Segment | Meaning | | :--- | :--- | | **CT** | Manufacturer Prefix (Central Technologies) | | **1206** | Package Size (3.2mm x 1.6mm) | | **CSF** | Series Identifier (Ceramic Surface Filter/Inductor) | | **R82** | Inductance Value (R denotes decimal: 0.82) | | **M** | Tolerance Rating (M = ±20%) | --- ### 4. Common Applications Due to its high-frequency performance, the CT1206CSF-R82M is commonly found in: 1. **RF Circuits:** Used in impedance matching and tuning. 2. **Wireless Communication:** Cell phones, Wi-Fi modules, and Bluetooth devices. 3. **Broadband Filters:** Used to block high-frequency noise while allowing DC signals to pass. 4. **Signal Decoupling:** Preventing interference between different stages of a circuit. ---