The **CTC2F-R056J** is a high-reliability fixed inductor designed primarily for power filtering, decoupling, and high-frequency applications. It is part of the axial-leaded inductor family, often used in telecommunications and consumer electronics. ### 1. Technical Specifications The part number follows a specific nomenclature. Below are the key electrical and physical parameters for the `CTC2F-R056J`: | Parameter | Value / Detail | | :--- | :--- | | **Inductance** | 0.056 µH (Microhenries) | | **Tolerance** | ±5% (indicated by the 'J' suffix) | | **Inductance Code** | R056 (R acts as a decimal point) | | **Package Type** | Axial Leaded (Conformal Coated) | | **Core Material** | Phenolic or Ferrite (depending on specific revision) | | **Quality Factor (Q min)** | High Q for high-frequency stability | | **Operating Temperature** | -55°C to +125°C | --- ### 2. Physical Construction The "2F" series typically features a **conformal coating** (usually epoxy resin) which protects the internal copper windings from environmental factors like moisture and dust. * **Leads:** Tin-plated copper leads for easy through-hole soldering. * **Marking:** Often color-coded using bands or printed with the value. * **Form Factor:** Cylindrical body with wire leads extending from both ends. --- ### 3. Component Applications Because of its very low inductance (0.056 µH), this component is specialized for: 1. **RF Circuits:** Used in tuning or matching networks for radio frequency applications. 2. **EMI Suppression:** Acts as a high-frequency filter to block electromagnetic interference. 3. **Signal Conditioning:** Smoothing high-speed digital pulses or analog signals. 4. **Decoupling:** Filtering out noise in power supply lines for sensitive ICs. --- ### 4. Part Number Breakdown Understanding the code helps in identifying substitutes: * **CTC2F**: Series designation (Axial Lead Fixed Inductor). * **R056**: The value ($0.056$). * **J**: Tolerance code ($J = \pm5\%$, $K = \pm10\%$, $M = \pm20\%$). ---