The Panasonic UNR9219J0L+ is a common mode choke coil designed to suppress common mode noise in electronic circuits. It is part of Panasonic's UNR series, known for its compact size and effectiveness in reducing electromagnetic interference (EMI) and enhancing electromagnetic compatibility (EMC). Common mode chokes are crucial components for ensuring signal integrity and preventing unwanted noise from disrupting the functionality of electronic devices.

Applications

• Power Supplies: Filters noise from AC or DC power lines to ensure clean power delivery.
• Data Communication Lines: Suppresses noise on data lines such as USB, Ethernet, and HDMI cables to maintain signal integrity.
• Audio Equipment: Reduces noise in audio circuits for improved sound quality and clarity.
• Video Equipment: Filters noise in video signals for sharper images and reduced distortion.
• Industrial Automation: Protects sensitive control circuits from noise in industrial environments to ensure reliable operation.

Features

• Compact Size: Enables easy integration into space-constrained applications.
• High Common Mode Impedance: Provides effective attenuation of common mode noise.
• Low Differential Mode Impedance: Minimizes signal distortion and preserves signal integrity.
• Wide Operating Frequency Range: Operates effectively across a broad spectrum of noise frequencies.
• RoHS Compliant: Complies with environmental regulations regarding hazardous substances.

Benefits

• Improved EMC Performance: Helps electronic devices meet regulatory requirements for electromagnetic compatibility.
• Enhanced Signal Integrity: Reduces noise and interference, resulting in cleaner and more reliable signals.
• Increased System Reliability: Protects sensitive components from noise-induced damage, extending the lifespan of electronic devices.
• Simplified Design: Streamlines noise filtering design compared to using discrete components.
• Cost-Effective Solution: Provides a cost-efficient way to suppress common mode noise.

Technical Specifications

Specific technical details, such as inductance, DC resistance (DCR), rated current, and operating temperature range for the Panasonic UNR9219J0L+, are typically available in the official Panasonic datasheet. Key specifications to consider include:

• Inductance: The inductance value affects the choke's ability to impede AC current flow and suppress noise.
• DC Resistance (DCR): Lower DCR minimizes power loss through the choke.
• Rated Current: The maximum current the choke can handle without saturating or overheating.
• Operating Temperature Range: The acceptable temperature range for reliable operation.
• Withstanding Voltage: Specifies the maximum voltage the choke can withstand without dielectric breakdown.

Always consult the official Panasonic datasheet for the UNR9219J0L+ for precise and up-to-date technical specifications when designing electronic circuits.