H1174NLT

Overview

The H1174NLT is a surface-mount LAN transformer module manufactured by Pulse Electronics, designed for 100Base-TX applications. It features a dual-port configuration with a 1:1 turns ratio for both transmit and receive channels. The component supports Non-PoE operation and operates within a temperature range of 0°C to +70°C. Key electrical specifications include an insulation voltage of 1500Vrms and a maximum insertion loss of -1.2dB. The physical dimensions are approximately 13.97mm in length, 12.57mm in width, and 4.57mm in height.

Feature Summary

• Dual-port architecture supporting simultaneous transmit and receive signal processing for Ethernet connectivity.
• Surface-mount design optimized for automated assembly and compact PCB layouts.
• Integrated isolation providing 1500Vrms insulation voltage between ports.
• Compliant with 100Base-TX standards for reliable data transmission.

Applications

• 100Base-TX Ethernet network interface circuits
• Non-PoE LAN port implementations
• Industrial communication modules requiring galvanic isolation

Procurement Notes

Verify the specific suffix 'NLT' against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure compatibility with RoHS3 regulations and check for any recent PCN updates regarding lead finish or material changes before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a dual-port solution for 100Mbps Ethernet without Power over Ethernet capabilities. Consider the SMD footprint constraints and thermal operating limits when integrating into high-density boards. Validate impedance matching requirements against the target network PHY specifications.

Part Context

This part belongs to Pulse Electronics' LAN transformer portfolio, specifically engineered for telecommunication and networking equipment. It serves as a critical interface component for isolating and conditioning signals in Ethernet transceivers, ensuring signal integrity and safety compliance in local area network deployments.

Replacement Considerations

H1174FNLT is a documented similar alternative from the same manufacturer. Verify pinout compatibility and mechanical dimensions before substitution. Cross-reference datasheets to ensure equivalent electrical performance and insulation ratings.