E4001NLT

Overview

The E4001NLT is a surface mount LAN isolation transformer manufactured by Pulse Electronics. It supports 10BASE-T Ethernet applications with an encapsulated pulse transformer design. The device features a primary inductance of 112µH and a turns ratio of 1CT:2CT for the transmitter and 1CT:1CT for the receiver. It operates within a temperature range of 0°C to 70°C and measures 12.70mm x 7.24mm x 5.33mm.

Feature Summary

• Provides galvanic isolation for 10BASE-T data interfaces
• Encapsulated construction for environmental protection
• Surface mount package for automated assembly

Applications

• 10BASE-T Ethernet network interface cards
• LAN isolation circuits
• Data interface modules requiring signal isolation

Procurement Notes

Verify that the specific order suffix matches the required packaging format, such as tape and reel or cut tape, as these affect handling procedures. Confirm RoHS3 compliance status and MSL rating prior to integration into moisture-sensitive assembly lines. Ensure the manufacturer part number aligns exactly with the design specification to avoid functional mismatches in the final product.

Selection Notes

Select this component when designing for 10BASE-T standards requiring integrated isolation. The 112µH inductance value suits standard Ethernet signaling frequencies. Consider the physical dimensions and surface mount profile for PCB layout constraints. Verify thermal performance within the specified operating temperature range for the intended application environment.

Part Context

This component belongs to the family of LAN isolation transformers designed for Ethernet connectivity. It serves as a critical interface between the PHY chip and the external network medium. The encapsulated design ensures durability in various industrial and commercial networking environments while maintaining signal integrity over twisted pair cables.

Replacement Considerations

The E4001NL is listed as a parameter-equivalent substitute from the same manufacturer.