H5143FNL

Overview

The H5143FNL is a board-mount power transformer manufactured by Pulse Electronics, designed for LAN applications supporting 10/100/1000 Base-T standards. It features a 1CT:1CT transmitter and 1CT:1CT receiver configuration with an inductance of 350 uH. The component operates within a temperature range of 0°C to +70°C and utilizes PCB mount installation. Its physical dimensions include a length of approximately 15.24 mm.

Feature Summary

• Supports 10/100/1000 Base-T LAN transmission standards
• Features integrated 1CT:1CT transmitter and receiver configurations
• Designed for surface mount PCB integration

Applications

• Ethernet network interface circuits
• LAN transceiver modules
• Network communication hardware

Procurement Notes

Verify the specific datasheet version and mechanical footprint compatibility before procurement. Confirm that the 1CT:1CT winding configuration aligns with the target circuit design requirements. Ensure the operating temperature range meets the environmental specifications of the final assembly.

Selection Notes

Select this component for designs requiring integrated pulse transformers for Gigabit Ethernet applications. Consider the 350 uH inductance value and the specific 1CT:1CT topology when matching against reference schematics. Verify that the board-mount package fits the available PCB real estate constraints.

Part Context

This part belongs to the Pulse Electronics power transformer category, specifically tailored for high-speed data communication interfaces. It serves as a critical isolation and impedance matching component in Ethernet PHY circuits, ensuring signal integrity across twisted-pair cabling systems.

Replacement Considerations

Consult official Pulse Electronics documentation for verified substitute part numbers. Cross-reference mechanical dimensions and electrical parameters such as inductance and winding configuration to ensure functional equivalence in existing designs.