HX1188FNL

Overview

The HX1188FNL is a single-port LAN discrete transformer module manufactured by Pulse Electronics. It provides electrical circuit isolation compliant with IEEE 802.3 standards for 10/100Base-T applications. The component features a 1:1 turns ratio for both transmitter and receiver paths, with an inductance of 350µH and an impedance of 1Ω. It operates within a frequency range of 1kHz to 100MHz and supports a peak reflow temperature of +245°C. The module offers 1.5kV isolation voltage and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Provides electrical circuit isolation meeting IEEE 802.3 standards while maintaining signal integrity
• Optimized for compatibility with major LAN transceivers
• Features high thermal stability with a peak reflow temperature rating of +245°C

Applications

• 10/100Base-T Ethernet network interfaces
• LAN transceiver circuit isolation
• Signal transmission modules requiring galvanic isolation

Procurement Notes

Verify the specific suffix designation during procurement, as variants such as HX1188FNLT exist with different packaging configurations like tape and reel versus tube. Confirm RoHS compliance status and ensure the selected part matches the required mounting style for the target PCB layout. Cross-reference datasheet revisions to confirm current production status and any recent design changes.

Selection Notes

Select this component for designs requiring robust isolation in 10/100 Mbps Ethernet ports. Ensure the system environment remains within the specified -40°C to +85°C operating range. Verify that the 350µH inductance and 1Ω impedance align with the connected transceiver specifications. Consider the surface mount package dimensions for adequate clearance and soldering profile compatibility.

Part Context

This component belongs to the Pulse Electronics LAN discrete transformer module series, which are engineered for demanding data interface applications. These modules integrate magnetic components to facilitate reliable data transmission over twisted-pair cabling. The product line serves industries including wired communications and industrial automation, emphasizing signal integrity and regulatory compliance.

Replacement Considerations

Publicly confirmed substitute part numbers for the HX1188FNL were not identified in the provided source material. Engineers should consult official manufacturer documentation or authorized distributor databases for verified cross-references before implementation.