749052051

Pulse Transformers Overview

The Würth Elektronik 749052051 is a WE-LAN series LAN pulse transformer designed for 10G Base-T applications. It supports PoE+ power delivery over a single port with a 1:1 turns ratio and 120µH inductance. The component features a surface mount package measuring 18.29mm x 14.70mm x 8.80mm. It operates within a temperature range of -40°C to 85°C and includes 1500Vrms isolation.

Pulse Transformers Feature Summary

• Supports 10G Base-T data transmission standards
• Enables PoE+ power delivery on a single port
• Provides high voltage isolation capability

Pulse Transformers Applications

• 10 Gigabit Ethernet network interfaces
• PoE+ powered device uplink ports
• High-speed LAN signal conditioning

Pulse Transformers Procurement Notes

Verify the specific datasheet version and PCN history prior to procurement, as Wurth Elektronik may issue product change notifications affecting physical dimensions or internal materials. Confirm that the 18.29mm x 14.70mm footprint matches the target PCB layout exactly. Ensure the 1500Vrms isolation rating meets the safety requirements of the end application environment.

Pulse Transformers Selection Notes

Select this component when designing for 10G Base-T connectivity requiring integrated PoE+ support. The 1:1 ratio suits direct coupling scenarios. Consider the 8.80mm maximum height for clearance constraints. Verify thermal performance within the -40°C to 85°C operating range against system heat dissipation capabilities.

Pulse Transformers Part Context

This part belongs to the WE-LAN family of LAN transformers from Würth Elektronik. It is distinct from other models like 749053013 which may differ in size or specific electrical characteristics. The 749052051 is specifically engineered for higher speed 10G applications compared to standard Gigabit counterparts.

Pulse Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.