The PLP3216S551SL2T1M0-001, also known as DLP31SN551SL2L, is a common mode choke manufactured by Murata Electronics North America. This component is designed to suppress common mode noise in high-speed differential signal lines, effectively reducing electromagnetic interference (EMI) and improving signal integrity.

Applications

• USB 3.0 and USB 3.1 interfaces
• HDMI interfaces
• DisplayPort interfaces
• Ethernet interfaces (1000BASE-T)
• LVDS interfaces

Features

• High common mode impedance for effective noise suppression
• Low differential mode impedance to minimize signal distortion
• Compact 1206 (3216 metric) size for space-constrained applications
• Surface mount design for automated assembly
• Excellent EMI suppression characteristics

Benefits

• Reduces EMI emissions from high-speed data lines
• Improves signal integrity by minimizing noise and distortion
• Enhances the reliability of electronic devices
• Simplifies PCB layout and reduces board space
• Facilitates compliance with EMI regulatory standards

Additional Details

The PLP3216S551SL2T1M0-001 (DLP31SN551SL2L) common mode choke is specifically designed to address the challenges of noise suppression in high-speed differential signaling. Its high common mode impedance effectively blocks common mode currents, which are a primary source of EMI. The low differential mode impedance ensures that the desired differential signal passes through with minimal attenuation or distortion. The compact 1206 package allows for easy placement on PCBs, even in densely populated areas.

This common mode choke is commonly employed in applications where high-speed data transmission is critical, such as USB 3.0/3.1, HDMI, DisplayPort, and Gigabit Ethernet. It helps to ensure that these interfaces meet stringent EMI requirements and maintain signal integrity for reliable data transfer. Proper grounding and impedance matching are essential for optimal performance. Follow the manufacturer's recommended layout guidelines to minimize parasitic effects and maximize noise suppression. Consult the Murata datasheet for detailed electrical characteristics, S-parameters, and application notes. Selecting the correct common mode choke with appropriate impedance characteristics and current handling capability is crucial for effective EMI suppression without compromising signal quality.