## CTML0805F-R082M Electronic Component Overview The **CTML0805F-R082M** is a surface-mount (SMD) multilayer chip inductor. These components are designed for high-frequency applications, signal conditioning, and noise suppression in compact electronic devices. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify the specific characteristics of the component: | Code Segment | Meaning | Specification | | :--- | :--- | :--- | | **CTML** | Series Name | Ceramic Multilayer Chip Inductor | | **0805** | Case Size | 2.0mm x 1.25mm (Imperial 0805) | | **F** | Material Code | Ferrite material (standard for MLCI) | | **R082** | Inductance Value | 0.082 µH (or 82 nH) | | **M** | Tolerance | ±20% | --- ### 2. Technical Specifications The typical electrical characteristics for this part are summarized below: * **Inductance:** 82 nH (Nanohenries) * **DC Resistance (DCR) Max:** Generally ranges between 0.30 - 0.50 Ω (Refer to datasheet for exact value). * **Rated Current:** Typically between 200mA and 300mA. * **Self-Resonant Frequency (SRF):** High frequency (typically > 300 MHz). * **Operating Temperature:** -55°C to +125°C. --- ### 3. Key Features & Construction * **Multilayer Technology:** The internal structure consists of alternating layers of ceramic/ferrite material and conductive electrode paste. This allows for a high inductance density in a small footprint. * **Magnetic Shielding:** Because of the multilayer construction, the magnetic flux is contained within the body, reducing electromagnetic interference (EMI) with surrounding components. * **Solderability:** Features nickel barrier terminations with a tin (Sn) overcoat, making it suitable for flow and reflow soldering processes. --- ### 4. Typical Applications The CTML0805 series is commonly found in: 1. **Mobile Communications:** Filtering in cell phones and tablets. 2. **Computer Peripherals:** Noise suppression in high-speed data lines. 3. **Power Decoupling:** Preventing high-frequency noise from entering sensitive IC power pins. 4. **RF Circuits:** Impedance matching and signal shaping. ---