7491196331

Overview

The Würth Elektronik 7491196331 is a board-mount power transformer from the WE-PoEH series, designed for high-power Power over Ethernet applications. It features an EPQ13 core with a primary voltage rating of 9 V to 57 V and a secondary voltage of 5 V. The unit delivers a power rating of 36.3 W at a secondary current of 3.5 A. Key electrical parameters include an inductance of 128 uH and a turns ratio of 1.14:1:1:2. It operates within a frequency range of 200 kHz to 400 kHz and supports surface mount installation.

Feature Summary

• Engineered for high-power PoE standards requiring significant energy delivery
• Utilizes EPQ13 core geometry for optimized magnetic performance
• Supports dual secondary windings for flexible circuit topologies

Applications

• High-power PoE powered devices
• Industrial communication infrastructure equipment
• Power supply modules for networked sensors

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number 7491196331 with official Wurth Elektronik documentation. Ensure compatibility with specific PoE standards required by the target application. Confirm that the surface mount package dimensions align with the printed circuit board layout constraints before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring 36.3 W power delivery via Ethernet cabling. The 128 uH inductance and 200-400 kHz operating frequency define the switching converter requirements. Engineers must ensure the primary side voltage range accommodates the specific PoE standard being implemented.

Part Context

This transformer belongs to the WE-PoEH series, which focuses on high-power Ethernet solutions. Wurth Elektronik manufactures these components to support efficient power conversion in compact form factors. The series addresses the growing demand for robust power delivery in industrial and communication networks.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Generic replacements may not match the specific 128 uH inductance or EPQ13 core characteristics required for stable high-power operation.