H1119NLT

Overview

The H1119NLT is a surface mount pulse transformer module manufactured by Pulse Electronics Corporation. It is designed for isolation and data interface applications, specifically supporting 10/100 Ethernet standards. The component features a non-PoE configuration with a single port. Electrical specifications include a turns ratio of 1:1.141 for the transmitter and 1:1 for the receiver. The physical dimensions are 25.40mm in length and 10.03mm in width, with a weight of approximately 3.13g.

Feature Summary

• Provides galvanic isolation for data interface signals
• Supports 10/100 Mbps Ethernet transmission speeds
• Engineered for non-Power over Ethernet (PoE) environments
• Encapsulated construction ensures environmental protection

Applications

• 10/100Base-TX network interface circuits
• Ethernet port signal conditioning modules
• Industrial communication equipment requiring isolation
• Consumer electronics with Ethernet connectivity

Procurement Notes

Verify the specific suffix 'NLT' to confirm tape and reel packaging requirements. Confirm RoHS3 compliance status through official documentation before integration. Ensure the non-PoE specification aligns with the target circuit design to prevent compatibility issues. Check manufacturer datasheets for updated mechanical drawings and pin configurations.

Selection Notes

Select this component when a dedicated non-PoE solution is required for 10/100 Ethernet links. The 1:1.141 transmitter ratio is critical for proper signal matching in specific PHY implementations. Compare physical footprint constraints against available PCB space. Consider thermal performance within the specified operating temperature range during system design.

Part Context

This part belongs to Pulse Electronics' portfolio of magnetics for networking applications. It serves as a specialized variant within their isolation transformer series, tailored for standard Ethernet without power delivery capabilities. The encapsulated design distinguishes it from open-frame alternatives, offering enhanced durability for automated assembly processes.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify electrical equivalence and pinout compatibility if considering alternative manufacturers. Consult official distributor databases for current cross-reference information.