The CM3018-18SO is a common mode choke filter designed by California Micro Devices. This component is specifically designed to suppress common mode noise while allowing differential signals to pass with minimal attenuation. It's typically used in high-speed data lines to improve signal integrity and reduce electromagnetic interference (EMI).

Applications

• USB 3.0 and USB 3.1 interfaces
• HDMI interfaces
• DisplayPort interfaces
• Ethernet interfaces
• High-speed differential signaling

Features

• High common mode attenuation
• Low differential mode insertion loss
• Compact SO package
• Excellent impedance matching
• RoHS compliant

Benefits

• Reduced EMI: Suppresses common mode noise, minimizing electromagnetic interference and improving system EMC performance.
• Improved signal integrity: Preserves the integrity of differential signals, ensuring reliable data transmission.
• Increased data rates: Enables higher data transfer rates by reducing noise and signal distortion.
• Simplified design: Easy to implement and integrate into existing circuit designs.
• Compliance with standards: Helps systems meet regulatory requirements for EMI emissions.

Additional Details

The CM3018-18SO is characterized by its high common mode attenuation across a broad frequency range, while maintaining low insertion loss for differential signals. It's important to consult the datasheet for specific attenuation characteristics, impedance values, and other electrical parameters. This information is critical for selecting the appropriate filter for a given application and ensuring optimal performance. The small SO package allows for easy surface mounting and integration into compact electronic devices.