750313109

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750313109 is a Power over Ethernet (PoE) transformer designed for DC/DC converter applications within the MID-POELT series. It features a primary voltage range of 36 to 57V and provides 3000Vrms isolation. The component operates at a frequency of 132kHz and includes an auxiliary winding rated at 12V @ 10mA. It is manufactured using Linear Technology chipset technology, specifically planned for use with the LT4295 controller. The device supports surface mount installation and functions reliably within a temperature range of -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation between primary and secondary circuits for safety compliance
• Optimized magnetic design for efficient power transfer in PoE powered devices
• Integrated auxiliary winding for controller bias supply in switch-mode power supplies

Switching Converter, SMPS Transformers Applications

• Power over Ethernet (PoE) powered endpoint devices
• DC/DC converter modules for network equipment
• Switched-mode power supply (SMPS) transformers

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix required for your packaging preference, such as tape and reel or cut tape, when placing orders. Confirm that the intended application voltage falls within the specified 36-57V primary range. Ensure compatibility with the LT4295 chipset if utilizing the recommended controller design. Check current RoHS status and environmental certifications prior to final procurement approval.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing PoE systems requiring robust galvanic isolation and operation at 132kHz. It is suitable for applications needing a dedicated auxiliary supply rail. Consider the physical dimensions of 9.77mm x 9.14mm for PCB layout constraints. Verify thermal management requirements given the wide operating temperature range up to 125°C.

Switching Converter, SMPS Transformers Part Context

This part belongs to the MID-POELT series from Würth Elektronik, specialized for Power over Ethernet applications. It complements other PoE solutions by offering integrated magnetics with high isolation ratings. The series supports various PoE standards through compatible controller integration, providing a compact solution for network-powered electronics.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official Wurth Elektronik resources for cross-reference data.