The T3049T is a surface-mount Ethernet isolation transformer manufactured by Pulse Electronics. It's designed for use in 10/100/1000 Base-T Ethernet applications where galvanic isolation is required to protect sensitive circuitry from voltage surges and ground loops. The transformer meets IEEE 802.3 standards for Ethernet compatibility and features a compact design for efficient use of board space. Its robust construction ensures reliable performance in demanding environments.

Applications

• 10/100/1000 Base-T Ethernet ports
• Network interface cards (NICs)
• Embedded Ethernet systems
• Industrial control equipment
• Routers and switches
• Power over Ethernet (PoE) applications
• Networking equipment

Features

• IEEE 802.3 compliant for Ethernet compatibility
• Surface mount package for automated assembly
• High isolation voltage
• Compact size
• Low profile
• RoHS compliant

Benefits

• Provides galvanic isolation for enhanced safety and protection
• Reduces common mode noise for improved signal integrity
• Facilitates compliance with regulatory requirements
• Enables high-density board designs
• Simplifies manufacturing and reduces assembly costs
• Offers reliable performance in harsh environments

Additional Details

The T3049T Ethernet transformer is engineered to provide optimal signal performance and isolation in Ethernet applications. It is built to withstand reflow soldering temperatures. Detailed electrical characteristics, including insertion loss, return loss, and crosstalk, can be found in the product datasheet. It's commonly used in conjunction with other components, such as common-mode chokes, to further enhance noise filtering. The specified operating temperature range allows for usage in various environments. The turns ratio is designed to match the impedance requirements of standard Ethernet PHYs.