### Overview of the ACE1V3225-101-R The **ACE1V3225-101-R** is a Surface Mount Device (SMD) Common Mode Choke. It is primarily used for EMI (Electromagnetic Interference) suppression in high-speed differential signal lines and power supply circuits. --- ### Technical Specifications The part number follows a specific nomenclature that defines its physical and electrical properties. | Parameter | Specification | | :--- | :--- | | **Component Type** | Common Mode Choke | | **Inductance** | 100 µH (indicated by "101") | | **Tolerance** | ±20% (Standard for this series) | | **Case Size (Metric)** | 3225 (3.2mm x 2.5mm) | | **Case Size (Imperial)** | 1210 (0.12" x 0.10") | | **DC Resistance (DCR)** | Max 1.5 Ω - 2.0 Ω (typical range) | | **Rated Current** | ~150mA to 250mA (depending on temperature) | | **Rated Voltage** | 50V DC | | **Operating Temperature** | -40°C to +125°C | --- ### Key Features 1. **Compact Footprint:** The 3225 size allows for high-density PCB layouts. 2. **High Impedance:** Designed to provide high common-mode impedance to noise while maintaining low differential-mode impedance for signal integrity. 3. **AEC-Q200 Compliance:** Often rated for automotive use, ensuring high reliability under vibration and thermal cycling. 4. **Reflow Soldering:** Compatible with standard lead-free reflow soldering processes. --- ### Typical Applications These components are found in circuits where noise suppression is critical without distorting the data signal: * **Automotive Electronics:** CAN-Bus, FlexRay, and Ethernet communication lines. * **Industrial Controls:** Noise filtering for sensors and actuators. * **Consumer Electronics:** USB lines, HDMI, and high-speed data interfaces. * **Power Supplies:** Filtering DC-DC converter output noise. --- ### Part Number Breakdown ```text ACE 1V 3225 - 101 - R | | | | | | | | | +-- RoHS Compliant / Tape & Reel | | | +-------- Inductance Code (10 + one zero = 100µH) | | +--------------- Dimensions (3.2mm x 2.5mm) | +------------------- Voltage/Series Category (50V) +----------------------- Product Series (Automotive Common Mode) ```