7490240120

Pulse Transformers Overview

The Würth Elektronik 7490240120 is a WE-LAN series surface-mount LAN transformer designed for 10/100/1000 Base-T applications. It supports IEEE 802.3ab standards with an inductance of 350 µH and isolation voltage of 4 kVrms. Operating temperature ranges from -40°C to 105°C, with dimensions of 12.7 mm.

Pulse Transformers Feature Summary

• Supports 10/100/1000 Base-T Ethernet standards
• Surface mount construction with shielded design
• High isolation voltage rating for signal integrity

Pulse Transformers Applications

• Internet of Things (IoT) devices
• Network hubs and routers
• Ethernet switches
• IP cameras

Pulse Transformers Procurement Notes

Verify the specific datasheet version for the 7490240120 to confirm exact pinout and mechanical tolerances. Ensure compatibility with existing PCB layout constraints regarding the 12.7 mm footprint. Cross-reference manufacturer documentation for any recent package updates or compliance changes before finalizing procurement.

Pulse Transformers Selection Notes

Select this component for designs requiring integrated magnetics for Gigabit Ethernet without PoE requirements. The wide operating temperature range suits industrial environments. Verify that the 4 kVrms isolation meets system safety requirements compared to lower-rated alternatives.

Pulse Transformers Part Context

Part of the WE-LAN family, offering compact SMT solutions for network connectivity. Designed to replace discrete transformer components, reducing board space and assembly complexity while maintaining signal integrity for high-speed data transmission in consumer and industrial electronics.

Pulse Transformers Replacement Considerations

Check for direct substitutes within the WE-LAN series that match the 12.7 mm footprint and 350 µH inductance. Ensure replacement parts maintain the same 4 kVrms isolation and -40°C to 105°C temperature range for equivalent performance.