7490240142

Pulse Transformers Overview

The Würth Elektronik 7490240142 is a WE-LAN 10/100/1000 Base-T SMT transformer designed for single-port applications. It supports data rates up to 1 Gbps with a 1:1 turns ratio and operates within a frequency range of 1 MHz to 100 MHz. The component features an inductance of 350 uH, primary and secondary coil resistances of 900 mOhms each, and an insulation voltage of 4.5 kVAC. It utilizes a quad channel configuration housed in a shielded surface-mount package measuring 17.1 mm x 14.75 mm x 8.4 mm, suitable for operation between 0°C and +70°C.

Pulse Transformers Feature Summary

• Supports 10/100/1000 Base-T Ethernet standards for high-speed data transmission
• Integrated shielding reduces electromagnetic interference for signal integrity
• Surface-mount design facilitates automated assembly processes
• High isolation voltage ensures safety compliance in network interfaces

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 to confirm RoHS compliance status and detailed pinout configurations before integration. Ensure that the selected supplier provides official Wurth Elektronik documentation to validate the part number authenticity. Cross-reference the operating temperature range with your system's thermal management plan to guarantee reliability under worst-case conditions.

Pulse Transformers Selection Notes

Select this component for designs requiring compact, shielded LAN transformers supporting Gigabit speeds. The 1:1 turns ratio and low coil resistance make it suitable for direct interface connections. Consider the physical dimensions and SMT packaging when planning PCB layout constraints. Verify compatibility with IEEE 802.3 standards if additional certification requirements exist for the final product.

Pulse Transformers Part Context

This component belongs to the WE-LAN series by Würth Elektronik, specialized for LAN applications. It serves as a pulse transformer for Ethernet ports, providing galvanic isolation and impedance matching. The series is engineered for robust performance in consumer electronics and industrial networking equipment, emphasizing reliability and space efficiency in modern circuit designs.

Pulse Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.