Wurth Elektronik Surface LAN Ethernet Transformer, 105 °C, -40 °C 9.5 mm

Wurth Elektronik WE-LAN Series LAN Ethernet Transformer, 350μH Inductance, 1:1 Turns Ratio - 749020100A

This LAN Ethernet transformer provides magnetics for network interfaces, designed for surface mounting on PCBs and intended to support signal coupling and isolation in Ethernet applications. It operates across a wide temperature span and complies with RoHS standards, making it suitable for constrained-board implementations requiring regulatory adherence.

Features and Benefits:

• 350μH inductance reduces common-mode interference and improves signal integrity
  1:1 turns ratio maintains signal symmetry for balanced transmission
  Insertion loss -1.1dB preserves signal strength across the link
  Surface-mount format enables Compact PCB integration and automated assembly
  Operating range -40 to 105°C supports extended environmental conditions

Applications

• Suitable for integrating into switched network Interface modules
  Ideal for use in LAN port isolation on embedded systems
  Used with industrial Ethernet equipment requiring thermal tolerance
  Can be used for Compact router and hub PCB designs
  Used for modular network Interface cards in constrained layouts

What mounting method is required for installation?

It uses surface-mount placement compatible with standard PCB solder processes.

How does the device perform under elevated temperatures?

It is rated to operate continuously up to 105°C without specification changes.

What regulatory consideration affects material selection?

The component meets RoHS requirements for restricted substances.

How does the magnetics impact link attenuation?

It contributes an insertion loss of -1.1dB, indicating minimal signal attenuation.

What electrical coupling configuration is provided?

The winding arrangement presents a 1:1 turns ratio for direct balanced coupling.