749020013

Pulse Transformers Overview

The Würth Elektronik 749020013 is a pulse transformer designed for LAN applications, specifically supporting 10/100/1000 Base-T standards. It features a 1:1 turns ratio and an inductance of 350µH. The component utilizes a surface mount package with dimensions of 17.53mm length, 14.60mm width, and a maximum height of 4.50mm. It operates within a temperature range of -40°C to 105°C and complies with RoHS3 specifications.

Pulse Transformers Feature Summary

• Supports Gigabit Ethernet (10/100/1000 Base-T) data transmission
• Surface mount construction for automated assembly
• High-temperature operation capability up to 105°C

Pulse Transformers Applications

• Gigabit Ethernet network interface circuits
• LAN connectivity modules
• Industrial networking equipment

Pulse Transformers Procurement Notes

Verify the current manufacturing status before procurement as this part number may be obsolete or subject to production changes. Confirm that the required surface mount footprint matches the specified dimensions of 17.53mm by 14.60mm. Ensure compatibility with the target operating temperature range of -40°C to 105°C for the specific application environment.

Pulse Transformers Selection Notes

Select this component for designs requiring integrated pulse transformation for Gigabit Ethernet PHY interfaces. The 1:1 ratio and 350µH inductance are critical for signal integrity in 10/100/1000 Base-T systems. Consider the 4.50mm maximum height constraint when determining board clearance requirements relative to adjacent components.

Pulse Transformers Part Context

This component belongs to Würth Elektronik's portfolio of magnetic components for data communication. It serves as a key element in isolating and conditioning signals for Ethernet physical layer transceivers. The design supports high-speed data transfer rates essential for modern local area network infrastructure.

Pulse Transformers Replacement Considerations

Public sources indicate this part is obsolete. Similar available substitutes include the 749020310 and 749020010A, which offer comparable electrical characteristics for LAN applications.