749012310

Pulse Transformers Overview

The Würth Elektronik 749012310 is a WE-LAN AQ series LAN pulse transformer designed for surface mount technology. It supports 10/100 Base-T Ethernet standards with Power over Ethernet (PoE) capabilities. The component features a single port configuration with a 1:1 turns ratio and an inductance of 150 µH. It provides 1500 Vrms isolation voltage and operates within a temperature range of -40°C to +85°C. The package dimensions are optimized for compact PCB layouts, ensuring reliable signal integrity and power delivery in network applications.

Pulse Transformers Feature Summary

• Supports Power over Ethernet (PoE) functionality for simultaneous data and power transmission
• Provides high isolation voltage for enhanced circuit safety and noise immunity
• Designed for surface mount assembly to facilitate automated manufacturing processes

Pulse Transformers Applications

• 10/100 Base-T network interface circuits
• Power over Ethernet enabled devices
• Industrial communication modules
• Consumer networking hardware

Pulse Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status prior to procurement. Confirm that the supplier source is authorized by Würth Elektronik to ensure component authenticity. Check for any recent product change notices that may affect pinout or material composition. Ensure storage conditions meet manufacturer specifications to maintain performance reliability.

Pulse Transformers Selection Notes

Select this component when PoE support is required for 10/100 Mbps Ethernet links. Compare inductance values against system requirements to ensure proper impedance matching. Evaluate thermal performance limits against expected operating environments. Consider footprint compatibility with existing PCB designs to minimize redesign efforts.

Pulse Transformers Part Context

This part belongs to the WE-LAN AQ series, which focuses on integrated LAN transformers. It complements other Wurth components like the 7490100111 but offers distinct PoE capabilities. The series is engineered for robust performance in demanding network environments, providing a balance between size, efficiency, and electrical characteristics.

Pulse Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with alternative LAN transformers based on pinout, inductance, and isolation ratings before substitution.