E2023

Overview

The E2023NL is a surface mount LAN isolation transformer manufactured by Pulse Electronics. It features a 1CT:2.5CT transmitter and 1CT:1CT receiver winding configuration with an inductance of 200µH. The component measures 12.57mm x 7.11mm x 5.33mm and operates within a temperature range of 0°C to 70°C. Designed for 10BASE-T applications, it provides electrical isolation and data interface functionality in a compact SMD package.

Feature Summary

• Provides galvanic isolation for Ethernet data transmission
• Supports 10BASE-T network standards
• Surface mount construction for automated assembly

Applications

• 10BASE-T Ethernet physical layer circuits
• Network interface card (NIC) designs
• Industrial communication modules requiring signal isolation

Procurement Notes

Verify the specific suffix designation when ordering, as variants such as E2023FNL exist with different specifications like non-PoE support. Confirm that the required part matches the intended application parameters, particularly regarding power over Ethernet requirements and winding ratios. Ensure compatibility with the target PCB footprint dimensions of 12.57mm by 7.11mm before finalizing procurement.

Selection Notes

Select this component for standard 10BASE-T implementations where discrete isolation is required. Compare against integrated magnetics if space constraints are critical, noting the larger footprint. Verify insulation voltage ratings against system safety requirements. Consider thermal performance within the specified operating range during circuit design.

Part Context

This component belongs to the family of LAN discrete transformers designed for Ethernet connectivity. It serves as a passive magnetic component essential for signal integrity and noise rejection in copper-based networking hardware. The product line supports various industrial and commercial communication protocols.

Replacement Considerations

Public documentation indicates potential part number changes due to header design revisions. Verify current availability and exact pinout compatibility before substituting. Cross-reference with updated manufacturer listings to ensure functional equivalence.