7491199332

Overview

The Würth Elektronik 7491199332 is a surface-mount power transformer from the WE-PoE series, designed for Power over Ethernet applications. It functions as a DC/DC converter and SMPS transformer with 1500Vrms isolation voltage. The component operates at a frequency of 250kHz and features an inductance of 35µH at 100kHz. Primary voltage ranges from 14 to 60V. Dimensions are 13.46mm x 18.10mm with a maximum height of 12.70mm.

Feature Summary

• Provides high-voltage isolation suitable for PoE systems
• Supports multiple topologies including flyback and push-pull
• Designed for surface-mount assembly

Applications

• Power over Ethernet (PoE) systems
• DC/DC converters
• Switching Mode Power Supplies (SMPS)

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure correct specifications. Confirm that the required isolation voltage and operating temperature range meet the design requirements. Check for any recent Product Change Notifications regarding packaging or material composition updates before finalizing procurement.

Selection Notes

Select this component for designs requiring integrated PoE isolation and conversion capabilities. Ensure the target application supports the specified 250kHz operating frequency and 14-60V primary voltage range. Verify compatibility with recommended controller chips such as LM5070 or TPS23750 families during the initial design phase.

Part Context

This component belongs to the WE-PoE series by Würth Elektronik, specialized for Power over Ethernet infrastructure. It serves as a critical interface between network data lines and power delivery circuits, enabling simultaneous data transmission and power supply over a single Ethernet cable in compliant electronic equipment.

Replacement Considerations

Consult official Wurth Elektronik resources for verified substitute part numbers within the same series. Cross-reference electrical parameters such as inductance and isolation voltage when evaluating alternatives.