The T1022NL is a surface mount Ethernet pulse transformer manufactured by Pulse Electronics. It is designed to provide electrical isolation and common-mode noise filtering for Ethernet applications, typically supporting 10/100Base-T standards. This component protects Ethernet PHY chips from voltage transients and noise originating from the network cable, ensuring reliable data transmission.

Applications

• Ethernet Network Interface Cards (NICs): Used in desktop and embedded system NICs for electrical isolation and signal conditioning.
• Routers and Switches: Employed in networking equipment to provide isolation between ports, enhancing network stability and preventing ground loops.
• Embedded Systems with Ethernet Connectivity: Integrated into various embedded devices requiring Ethernet communication, such as industrial controllers and IoT devices.
• Power over Ethernet (PoE) Devices: Suitable for PoE applications where isolation is critical for both data and power transmission.
• Industrial Ethernet Equipment: Deployed in industrial environments demanding robust and reliable Ethernet communication.

Features

• Surface Mount Technology (SMT): Designed for automated assembly on printed circuit boards, reducing manufacturing costs and improving reliability.
• High Isolation Voltage: Offers a high level of electrical isolation to protect connected devices from voltage surges and ground potential differences.
• Effective Common Mode Noise Rejection: Suppresses common-mode noise, enhancing signal integrity and reducing data errors.
• Compact Footprint: Small form factor optimized for space-constrained applications.
• RoHS Compliant: Meets Restriction of Hazardous Substances (RoHS) directives for environmental compliance.

Benefits

• Improved Signal Integrity: Enhances the quality and reliability of Ethernet signals, minimizing data loss and transmission errors.
• Enhanced Electrical Protection: Protects connected equipment from voltage spikes and ground loops, preventing damage and ensuring safety.
• Reduced Noise Interference: Minimizes the impact of external noise sources on network performance, maintaining stable and consistent operation.
• Simplified Manufacturing: Surface mount design simplifies the assembly process, reducing manufacturing time and costs.
• Increased System Reliability: Contributes to the overall robustness and longevity of Ethernet-based systems.

Additional Details

The T1022NL is designed to meet or exceed IEEE 802.3 standards for Ethernet pulse transformers. It typically features a ferrite core for optimal performance and is constructed with tightly controlled winding parameters to achieve precise impedance matching and isolation characteristics. Key electrical specifications include insertion loss, return loss, and crosstalk, all of which are carefully optimized for Ethernet applications. It's often paired with Ethernet PHY chips from leading manufacturers. The operating temperature range is typically wide enough to accommodate industrial applications. The package is designed to withstand standard reflow soldering processes during PCB assembly.