The T3049NLT is a surface-mount, high isolation single port 10/100/1000 Base-T Ethernet transformer manufactured by Pulse Electronics. It is designed to provide galvanic isolation and common mode noise rejection in Ethernet applications. The transformer is compliant with IEEE 802.3 standards, ensuring compatibility with a wide range of Ethernet devices. Its compact size and surface-mount design make it suitable for automated assembly processes, reducing manufacturing costs and improving reliability.

Applications

• 10/100/1000 Base-T Ethernet interfaces
• Network interface cards (NICs)
• Motherboards
• Embedded systems
• Industrial Ethernet applications
• Routers and switches
• Power over Ethernet (PoE) devices

Features

• Compliant with IEEE 802.3 standards for 10/100/1000 Base-T
• High isolation voltage (typically 1500Vrms or higher)
• Surface-mount package for automated assembly
• Low profile design
• Optimized for signal integrity
• RoHS compliant

Benefits

• Provides galvanic isolation to protect sensitive circuits from voltage surges and transients
• Reduces common mode noise, improving signal quality and data transmission reliability
• Enables compliance with safety standards
• Simplifies manufacturing process through automated assembly
• Saves board space due to compact size
• Enhances system reliability and performance

Additional Details

The T3049NLT features a turns ratio specifically designed to match the impedance requirements of Ethernet PHY transceivers. It is typically used in conjunction with common mode chokes and other filtering components to further enhance noise immunity. The operating temperature range is typically between -40°C to +85°C, making it suitable for a wide range of environments. The package is designed for reflow soldering processes. Detailed specifications, including insertion loss, return loss, and crosstalk, are available in the product datasheet.