E2003QNL

Overview

The E2003QNL is a surface-mount pulse transformer manufactured by Pulse Electronics, designed for 10 Base-T network interfaces. It features a 1:1 turns ratio and utilizes an SMD mounting type. The component measures 25.40 mm in length and 9.78 mm in width. This device serves as a module for Ethernet interface applications, providing the necessary signal coupling for standard 10 Mbps Ethernet connections.

Feature Summary

• Designed specifically for 10 Base-T interface applications
• Provides 1:1 signal coupling for Ethernet networks
• Utilizes surface mount technology for PCB integration

Applications

• 10 Base-T Ethernet interface modules
• Network interface card (NIC) designs
• Ethernet connectivity solutions

Procurement Notes

Verify the specific datasheet version and mechanical dimensions against the target PCB footprint before procurement. Confirm that the 1:1 turns ratio aligns with the system's impedance requirements. Ensure the surface mount package size matches the assembly capabilities. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Selection Notes

Select this component when a dedicated pulse transformer is required for 10 Base-T Ethernet implementations. Consider the physical dimensions of 25.40 mm by 9.78 mm during layout planning. Evaluate the surface mount profile for compatibility with reflow soldering processes. Ensure the application does not require higher speed standards such as 100 Base-T or Gigabit Ethernet.

Part Context

This component belongs to the family of pulse transformers produced by Pulse Electronics Network. It is categorized under audio and signal transformers, specifically tailored for data communication interfaces. The product supports standard Ethernet protocols requiring isolated signal transmission between the PHY and the magnetics.

Replacement Considerations

No public substitute part numbers are documented.