749014018

Pulse Transformers Overview

The Würth Elektronik 749014018 is a WE-LAN series LAN pulse transformer designed for surface mount applications. It supports 10/100 Base-T Ethernet standards with a 1:1 turns ratio and 350 µH inductance. The component features shielded construction, SMD/SMT termination, and operates within a temperature range of 0°C to +70°C. Electrical specifications include 4.5 kVAC insulation voltage and 900 mOhms primary/secondary coil resistance. Dimensions are 17.1 mm x 14.75 mm x 8.4 mm.

Pulse Transformers Feature Summary

• Integrated shielding for enhanced electromagnetic interference protection
• Optimized for 10/100 Base-T signal integrity
• Compact surface mount footprint for automated assembly

Pulse Transformers Applications

• Ethernet network interface circuits
• LAN port signal conditioning
• Industrial communication modules

Pulse Transformers Procurement Notes

Verify the manufacturer part number 749014018 against official Wurth Elektronik documentation to ensure authenticity. Confirm RoHS compliance status and specific package variants (Reel or Cut Tape) match project requirements. Cross-reference datasheet electrical parameters with system design constraints before finalizing procurement orders.

Pulse Transformers Selection Notes

Select this component for designs requiring robust EMI performance in space-constrained layouts. The 1:1 ratio suits direct coupling applications. Ensure PCB land patterns align with the 17.1 mm x 14.75 mm dimensions. Validate thermal management capabilities against the specified operating temperature range during circuit simulation.

Pulse Transformers Part Context

This device belongs to the WE-LAN family of LAN transformers from Würth Elektronik. It complements other models like 749014012 and 749014010 within the same product line. These components provide standardized solutions for Ethernet connectivity, ensuring compatibility with common networking protocols and physical layer interfaces.

Pulse Transformers Replacement Considerations

Direct substitutes include part numbers 749014012 and 749014010. Verify pinout compatibility and dimensional tolerances when swapping between these specific WE-LAN variants to maintain mechanical and electrical integrity.