The LQN4N101K is a common mode choke coil manufactured by Murata Electronics North America. These chokes are designed to suppress common mode noise in differential signal lines. They are commonly used in various electronic devices to improve signal integrity and reduce electromagnetic interference (EMI).

Applications

• USB lines: Used to suppress common mode noise in USB data lines, ensuring reliable data transmission.
• HDMI lines: Employed in HDMI interfaces to reduce EMI and maintain signal quality.
• LVDS lines: Utilized in LVDS (Low-Voltage Differential Signaling) applications for noise reduction in high-speed data transfer.
• Ethernet lines: Found in Ethernet connections to minimize noise and improve network performance.
• General signal lines: Applicable in any differential signal line where common mode noise suppression is required.

Features

• High common mode impedance: Provides significant attenuation of common mode noise.
• Low differential mode impedance: Ensures minimal impact on the desired differential signal.
• Compact size: Allows for easy integration into small electronic devices.
• High reliability: Designed for long-term performance and durability.
• Wide operating temperature range: Suitable for various environmental conditions.

Benefits

• Improved signal integrity: Reduces noise and interference, leading to clearer and more reliable signals.
• Reduced EMI: Minimizes electromagnetic interference, preventing disruption to other electronic devices.
• Enhanced system performance: Ensures optimal performance of electronic devices by reducing noise-related issues.
• Compliance with EMI regulations: Helps meet regulatory requirements for electromagnetic compatibility.
• Protection against noise-induced errors: Reduces the likelihood of errors caused by noise in data transmission.

Additional Details

The LQN4N101K features a ferrite core material and is designed for surface mount technology (SMT). It has a specific impedance value at a given frequency, which is a critical parameter for noise suppression effectiveness. The choke's dimensions and other electrical characteristics, such as DC resistance and rated current, are readily available in the manufacturer's datasheet.

These common mode chokes are essential components in modern electronic devices, ensuring reliable and high-quality signal transmission in various applications.