7490220120

Pulse Transformers Overview

The Würth Elektronik 7490220120 is a WE-LAN series LAN pulse transformer designed for surface mount applications. It supports 10/100/1000 Base-T Ethernet standards and IEEE 802.3u and IEEE 802.3ab compliance. The component features a 1CT:1CT transmitter and 1CT:1CT receiver configuration with a 350µH inductance. It facilitates Power over Ethernet (PoE) capabilities up to 150 Watts, enabling high-speed data transmission alongside power delivery in single-port network interfaces.

Pulse Transformers Feature Summary

• Supports 10/100/1000 Base-T Ethernet speeds
• Enables Power over Ethernet (PoE) up to 150 Watts
• Complies with IEEE 802.3u and IEEE 802.3ab standards

Pulse Transformers Applications

• Single-port Gigabit Ethernet network interfaces
• Power over Ethernet (PoE) powered devices
• Industrial networking equipment requiring 150W PoE support

Pulse Transformers Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure compatibility with your design requirements. Confirm that the component meets all necessary regulatory standards for your target market. Cross-reference technical specifications such as inductance and turn ratio with your circuit design needs before finalizing procurement decisions.

Pulse Transformers Selection Notes

Select this component when designing single-port Ethernet interfaces requiring integrated PoE support up to 150 Watts. Ensure the application environment accommodates surface mount technology constraints. Verify that the 350µH inductance value aligns with the signal integrity requirements of the specific 10/100/1000 Base-T implementation being utilized in the system design.

Pulse Transformers Part Context

This component belongs to the WE-LAN series from Würth Elektronik, which specializes in LAN transformers for network connectivity. The series provides solutions for various Ethernet standards, including Fast Ethernet and Gigabit Ethernet. The 7490220120 variant specifically addresses the need for higher power delivery through Ethernet connections while maintaining high-speed data transmission capabilities.

Pulse Transformers Replacement Considerations

Consult official Wurth Elektronik substitution lists or equivalent component databases for verified alternatives. Ensure any substitute maintains identical pinout configurations, inductance values, and PoE power handling capabilities to guarantee functional equivalence in the existing circuit design.