750310742

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750310742 is a flyback transformer designed for Power-over-Ethernet (PoE) and DC/DC converter applications. It features a primary voltage rating of 18 V to 32 V and a secondary voltage rating of 24 V. The component has a power rating of 700 mW with a secondary current rating of 30 mA. Key electrical parameters include an inductance of 38 uH, a turns ratio of 2:1:1.1, and an isolation voltage of 1.5 kVrms. It operates at frequencies between 250 kHz and 400 kHz within a temperature range of -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for Power-over-Ethernet (PoE+) and DC/DC converter topologies
• Provides high isolation voltage of 1.5 kVrms for safety compliance
• Supports surface mount technology (SMD/SMT) installation
• Operates reliably across extended industrial temperature ranges

Switching Converter, SMPS Transformers Applications

• Power-over-Ethernet (PoE) powered devices
• DC/DC converter circuits
• Switched-mode power supplies (SMPS)
• Ethernet LAN transformers

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly from the manufacturer before procurement. Confirm that the 1.5 kVrms isolation rating meets the safety requirements of the target application. Ensure the operating frequency range of 250 kHz to 400 kHz aligns with the system design constraints. Check for any recent product change notices or lead time updates from Wurth Elektronik.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing PoE+ or isolated DC/DC converters requiring 1.5 kVrms isolation. The 38 uH inductance and 2:1:1.1 turns ratio are critical for matching the controller IC specifications. Consider the SMD package dimensions for PCB layout compatibility. Verify thermal performance within the -40°C to +125°C operating range for the intended environment.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-PoE+ series by Würth Elektronik, focusing on integrated magnetic solutions for Ethernet applications. It serves as a key passive component in modern networking hardware, enabling simultaneous data and power transmission over standard cabling. The series emphasizes compact size and high reliability for consumer and industrial electronics.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other Würth Elektronik flyback transformers only if electrical parameters match exactly.