7490220115

Pulse Transformers Overview

The Würth Elektronik 7490220115 is a surface mount LAN pulse transformer designed for Gigabit Ethernet applications. It supports 10/100/1000 Base-T standards and integrates 4PPoE capability with up to 800 mA current handling. The component features a 350µH inductance, 1:1 turns ratio, and 1500Vrms isolation voltage. Operating temperatures range from -40°C to 85°C. Dimensions are optimized for compact PCB layouts.

Pulse Transformers Feature Summary

• Supports 10/100/1000 Base-T Ethernet standards
• Integrated 4PPoE functionality for power delivery
• High isolation voltage for circuit protection
• Surface mount construction for automated assembly

Pulse Transformers Applications

• Gigabit Ethernet network interfaces
• PoE-enabled networking equipment
• Industrial communication modules
• Consumer electronics with LAN connectivity

Pulse Transformers Procurement Notes

Verify the specific datasheet version and RoHS compliance status before integration. Confirm that the 800 mA PoE rating aligns with your power budget requirements. Ensure thermal management strategies accommodate the operating temperature range during high-load scenarios. Cross-reference pinout diagrams with your PCB layout to prevent installation errors.

Pulse Transformers Selection Notes

Choose this component when Gigabit speeds and integrated PoE are required in a single package. The 1500Vrms isolation provides robust safety margins for isolated networks. Consider the surface mount form factor for space-constrained designs. Evaluate the 350µH inductance against your signal integrity needs for high-frequency data transmission.

Pulse Transformers Part Context

This part belongs to the WE-LAN series of LAN transformers from Würth Elektronik. The series focuses on providing reliable connectivity solutions for various Ethernet standards. Components in this line typically offer high reliability and compliance with industry regulations for electronic equipment used in global markets.

Pulse Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing design-in components before considering alternative sources or generic equivalents.