The **CTS2F-R56J** is a high-quality, axial-leaded fixed inductor commonly used in signal filtering and power supply decoupling applications. Below is a detailed technical breakdown of this component. --- ## 1. Part Number Breakdown Understanding the nomenclature helps in identifying the exact specifications: | Part Segment | Meaning | Specification | | :--- | :--- | :--- | | **CTS2F** | Series Identifier | Shielded Axial Inductor Series | | **R56** | Inductance Value | 0.56 microhenries ($\mu$H) | | **J** | Tolerance | $\pm$ 5% | --- ## 2. Technical Specifications These parameters define the electrical behavior of the inductor under standard operating conditions. ### Electrical Characteristics * **Inductance:** 0.56 $\mu$H * **Tolerance:** $\pm$ 5% (indicated by the 'J' suffix) * **Quality Factor (Q min):** Typically ranges between 40-60 at test frequency. * **Self-Resonant Frequency (SRF):** High frequency (typically > 250 MHz), ensuring stability in RF applications. * **DC Resistance (DCR):** Very low (typically < 0.10 $\Omega$), which minimizes power loss and heat generation. * **Rated Current (Idc):** Designed to handle moderate current loads (often between 1A to 2.5A depending on the specific package thermal rating). ### Physical Attributes * **Form Factor:** Axial-leaded (through-hole). * **Core Material:** Ferrite or Phenolic (depending on specific frequency tuning). * **Coating:** Epoxy resin or molded phenolic for environmental protection and insulation. --- ## 3. Key Features & Applications ### Features 1. **High Stability:** The shielded construction reduces electromagnetic interference (EMI) with neighboring components. 2. **Compact Size:** The axial design allows for high-density mounting on PCBs where vertical space is limited. 3. **Durability:** The moisture-resistant coating ensures long-term reliability in industrial environments. ### Common Applications * **RF Coupling/Decoupling:** Used to block high-frequency noise while allowing DC to pass. * **Filtering:** Found in LC filters for power supply lines to smooth out voltage ripples. * **Signal Processing:** Used in telecommunication equipment to maintain signal integrity. * **Consumer Electronics:** Integrated into TVs, audio equipment, and computers for noise suppression. --- ## 4. Comparison with Standard Inductors Compared to unshielded inductors, the **CTS2F** series offers better magnetic containment. ```markdown Comparison Table: Shielded vs. Unshielded | Feature | CTS2F-R56J (Shielded) | Standard R56J (Unshielded) | | :--- | :--- | :--- | | EMI Radiation | Very Low | Moderate to High | | Cross-talk | Minimal | Possible | | Cost | Slightly Higher | Lower | | Best Use | High-density boards | Simple power circuits | ```