750310744

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750310744 is a surface-mount power transformer designed for Power over Ethernet (PoE) applications, specifically supporting DC/DC converters within Switching Mode Power Supplies (SMPS). It belongs to the WE-PoE+ series and provides 1500Vrms isolation. The component operates at frequencies between 250 kHz and 400 kHz with a primary voltage rating of 37 V to 57 V. It features an auxiliary voltage of 12.7 V @ 30 mA and measures 13.46 mm in length, 18.10 mm in width, and 12.70 mm in maximum height.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation suitable for PoE standards
• Optimized for integration into DC/DC converter topologies
• Designed for surface-mount assembly processes

Switching Converter, SMPS Transformers Applications

• Power over Ethernet (PoE) systems
• DC/DC converter circuits
• Switching Mode Power Supply (SMPS) designs

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision when ordering, as recent Product Change Notifications indicate updates to insulation test voltage parameters. Confirm that the procurement source treats distributor-hosted documents as valid evidence of manufacturer specifications. Ensure compatibility with LT4276 chipset requirements if applicable to the design.

Switching Converter, SMPS Transformers Selection Notes

Select this component for designs requiring robust isolation in compact PoE implementations. The WE-PoE+ series offers standardized dimensions for easy PCB layout. Consider the operating temperature range and frequency characteristics to ensure alignment with the target SMPS controller performance. Validate mechanical fit against the specified footprint dimensions.

Switching Converter, SMPS Transformers Part Context

This part is part of Würth Elektronik's WE-PoE+ portfolio, which focuses on transformers for Power over Ethernet applications. The series supports various PoE standards and integrates with common controller chipsets like the LT4276. These components are engineered to meet strict isolation and efficiency requirements for modern network-powered devices.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify electrical compatibility and pinout configuration before considering alternative manufacturers or series.