The **CTMC1210-R010J** is a high-precision, wire-wound surface mount (SMD) inductor, typically categorized as a chip inductor. It is designed for high-frequency applications where stability and reliability are critical. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify the component's physical and electrical characteristics: | Code Segment | Meaning | Description | |:---|:---|:---| | **CTMC** | Series | Molded Chip Inductor (Wire-wound) | | **1210** | Case Size | Imperial dimensions (approx. 3.2mm x 2.5mm) | | **R010** | Inductance | **0.010 µH** (or 10 nH) | | **J** | Tolerance | **±5%** | --- ### 2. Technical Specifications Below are the typical electrical parameters for this specific component: | Parameter | Value | |:---|:---| | **Inductance** | 0.010 µH (10 nH) | | **Tolerance** | ±5% | | **Case Size (EIA)** | 1210 | | **Case Size (Metric)** | 3225 | | **Material** | Ceramic core (usually for low inductance values) | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Operating Temp** | -40°C to +125°C (typical) | --- ### 3. Key Features & Applications #### Features: * **Molded Construction:** The internal wire coil is protected by a molded resin, providing excellent mechanical strength and resistance to moisture. * **High Self-Resonant Frequency (SRF):** Due to its low inductance value (10nH), it is capable of operating at very high frequencies without becoming capacitive. * **Precision:** The "J" tolerance (5%) ensures consistent performance in tuned circuits. #### Typical Applications: 1. **RF Circuits:** Used in impedance matching and resonance circuits for high-frequency communication devices. 2. **Filtering:** Effective at suppressing high-frequency noise in signal lines. 3. **Mobile Electronics:** Found in smartphones, GPS modules, and Wi-Fi routers due to its small footprint and reliability. --- ### 4. Dimensional Data (1210 Package) The "1210" designation refers to the physical footprint on the PCB: * **Length:** 3.2 mm (±0.2mm) * **Width:** 2.5 mm (±0.2mm) * **Height:** 2.2 mm (typical) ---