Based on the part number provided, the **LTCEC-1403-R/Q** refers to a high-frequency, surface-mount inductive component, typically a **Common Mode Choke** or a **Chip Inductor** utilized in signal processing and power management. Below is a detailed breakdown of the electronic specifications and characteristics associated with this part series. --- ## 1. Component Overview The "LTC" prefix generally denotes a Line Filter or Chip Inductor, while "EC" refers to the specific material or construction style (often Ferrite-based). | Feature | Specification | | :--- | :--- | | **Type** | Surface Mount Device (SMD) | | **Function** | Noise Suppression / EMI Filtering | | **Core Material** | Ferrite | | **Termination** | Lead-free (RoHS Compliant) | --- ## 2. Technical Specifications While exact values can vary slightly by manufacturer (such as TDK, Murata, or specialty OEMs), the **1403-R/Q** suffix provides specific performance data: ### Electrical Characteristics * **Inductance:** Typically ranges from **1.0µH to 10µH** (depending on the specific sub-dash number). * **Current Rating:** Designed for low to medium current applications (approx. **500mA to 2A**). * **DC Resistance (DCR):** Optimized to be as low as possible to minimize power loss. * **Operating Temperature:** Generally rated for **-40°C to +125°C**. ### Suffix Meanings * **-R:** Indicates **RoHS Compliance** (Lead-free). * **-Q:** Often signifies **AEC-Q200** qualification, meaning the part is tested for automotive-grade reliability and high-vibration environments. --- ## 3. Applications These parts are primarily used to manage electromagnetic interference (EMI) and ensure signal integrity in compact electronic circuits. ### Common Use Cases: 1. **Switch-Mode Power Supplies (SMPS):** Used to filter out high-frequency switching noise. 2. **Automotive Electronics:** Powering infotainment systems or ADAS sensors where "Q" (automotive grade) is required. 3. **Communication Devices:** Filtering noise in USB, HDMI, or Ethernet data lines. 4. **DC-DC Converters:** Acting as an energy storage element or output filter. --- ## 4. Physical Dimensions (Package) The "1403" designation usually refers to the physical footprint in metric or imperial units. ```text Length (L): ~3.5mm Width (W): ~3.0mm Height (H): ~2.5mm (Approximate values based on standard 1403 SMD casing) ``` ---