H1081NLT

Overview

The H1081NLT is a single-port LAN transformer module designed for 10/100 Base-T applications. It features surface mount termination and operates within a temperature range of 0°C to 70°C. The component provides electrical isolation with specific winding ratios: 1:1.141 for the transmitter and 1:1 for the receiver. It is unshielded and complies with RoHS3 standards. The physical dimensions are 25.40mm in length, 10.03mm in width, and 5.84mm in height. Moisture sensitivity level is classified as MSL 3.

Feature Summary

• Provides galvanic isolation for Ethernet data interfaces
• Supports 10/100 Base-T network transmission standards
• Designed for surface mount technology integration

Applications

• 10/100 Base-T Ethernet port implementation
• Network interface card (NIC) designs
• Ethernet switch port circuits

Procurement Notes

Verify RoHS3 compliance status and moisture sensitivity classification prior to assembly. Confirm that the selected packaging format aligns with automated placement equipment requirements. Ensure storage conditions maintain integrity given the MSL 3 rating. Cross-reference datasheet revisions to confirm current manufacturing status and availability constraints before finalizing procurement orders.

Selection Notes

Select this component for standard 10/100 Mbps Ethernet connectivity requiring non-PoE isolation. The specific winding ratios suit standard transceiver coupling needs. Consider thermal operating limits when designing for enclosed environments. Verify footprint compatibility with existing PCB layouts due to specific dimensional constraints.

Part Context

This part belongs to the Pulse Electronics LAN Transformer series, specifically engineered for data interface isolation. It serves as a critical passive component in Ethernet physical layer circuits, ensuring signal integrity and safety separation between the PHY chip and the external connector.

Replacement Considerations

H1081NL is listed as a direct replacement option.