The NFM21PC104R1E3 is a common mode choke from Murata Electronics North America. It's designed to suppress common mode noise in electronic circuits, improving signal integrity and electromagnetic compatibility (EMC) performance.

Applications

• USB interfaces
• Differential signal lines
• Audio lines
• Video lines
• General noise suppression in electronic devices

Features

• Common mode choke
• Compact size (2.0mm x 1.2mm)
• High common mode impedance
• Low differential mode impedance
• Surface mount device (SMD)

Benefits

• Effective Noise Suppression: Attenuates common mode noise without affecting differential signals.
• Improved Signal Integrity: Reduces noise, leading to cleaner signals and better performance.
• Compact Design: Small footprint allows for use in space-constrained applications.
• Easy to Implement: Surface mount design simplifies assembly and integration.
• Enhanced EMC Performance: Helps meet EMC requirements by reducing radiated emissions.

Additional Details

The NFM21PC104R1E3 has specific impedance characteristics at different frequencies, as detailed in the Murata datasheet. The choke's effectiveness depends on the frequency and nature of the noise. Its small size and surface mount construction make it suitable for high-density circuit boards. The datasheet specifies the insertion loss, rated current, and DC resistance, which are important parameters for circuit design. Refer to the Murata Electronics datasheet for complete specifications and application guidelines to ensure proper circuit integration and optimal performance.