750310007

Overview

The Würth Elektronik 750310007 is a surface-mount Power over Ethernet (PoE) transformer designed for DC/DC converter applications. It features a primary voltage range of 35 to 57V and provides 1500Vrms isolation. The component exhibits an inductance of 127µH at 100kHz and includes an auxiliary winding rated at 12V @ 15mA. It operates within a temperature range of -40°C to 125°C. The physical dimensions are 13.46mm x 17.75mm with a maximum height of 12.83mm.

Feature Summary

• Provides galvanic isolation between circuit sections via 1500Vrms rating
• Optimized for Power over Ethernet signal integrity and power delivery
• Includes auxiliary winding for bias supply generation

Applications

• Power over Ethernet powered devices
• DC/DC converter modules
• Switched-mode power supplies

Procurement Notes

Verify the manufacturer part number against official datasheets to ensure correct specifications. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for any recent product change notifications that may affect pinout or material composition before finalizing procurement.

Selection Notes

Select this component when designing PoE systems requiring high isolation voltage and specific inductance values. Ensure the input voltage range aligns with the 35-57V specification. Consider the surface-mount footprint and thermal performance limits when integrating into the PCB layout for reliable operation across the specified temperature range.

Part Context

This transformer belongs to the WE-PoE series, specifically tailored for mid-span or end-span PoE applications. It supports standard PoE protocols by providing necessary magnetic separation and impedance matching. The design facilitates compact board layouts while maintaining electrical safety standards through robust isolation barriers.

Replacement Considerations

No public confirmed substitute part numbers are available.