The PA3018NL is a surface mount, high isolation, low profile, single port, 10/100/1000 Base-T Ethernet transformer manufactured by Pulse Electronics. It is designed to provide galvanic isolation and common mode noise reduction in Ethernet communication systems.

Applications

• Ethernet network interfaces
• Network interface cards (NICs)
• Embedded Ethernet applications
• Industrial Ethernet equipment
• Power over Ethernet (PoE) systems

Key Features

• Supports 10/100/1000 Base-T Ethernet
• High isolation voltage
• Low profile design
• Surface mount package
• RoHS compliant

Benefits

• Provides electrical isolation between the Ethernet PHY and the network
• Reduces common mode noise, improving signal integrity
• Saves board space with its low profile and surface mount design
• Complies with environmental regulations
• Ensures reliable data transmission in noisy environments

Additional Details

The PA3018NL is specifically designed for use with Ethernet PHY chips from various manufacturers. The isolation voltage typically exceeds 1500 Vrms, protecting the Ethernet PHY from voltage surges and transients on the network. The transformer's inductance and turns ratio are optimized for impedance matching and signal transmission. Its operating temperature range is typically from -40°C to +85°C. The surface mount package allows for automated assembly and reduces manufacturing costs. The transformer is tested to meet industry standards for Ethernet performance and safety. The PA3018NL's footprint and pinout are industry standard, making it easy to integrate into existing designs. Pulse Electronics provides detailed specifications and application notes for the PA3018NL, including recommended PCB layout and component selection. It is important to follow these recommendations to ensure optimal performance and reliability. The PA3018NL is a critical component in Ethernet systems, providing essential isolation and noise reduction to ensure reliable data communication.

Using this transformer helps to meet safety regulations related to electrical isolation in networking devices. The robust design ensures long-term reliability in demanding industrial environments. Selecting a transformer with the correct specifications is essential for proper Ethernet operation. Consult the PHY manufacturer's recommendations when choosing an Ethernet transformer. Proper soldering techniques are required to ensure a reliable connection between the transformer and the PCB.