HX1188

Overview

The HX1188 is a Pulse Electronics LAN transformer module designed for 100Base-TX applications. It features a single-port configuration with a 1:1 turns ratio for both transmitter and receiver paths. The component provides 1500 Vrms isolation voltage and operates within a temperature range of -40°C to +85°C. Key electrical parameters include an inductance of 350 uH and a frequency range of 100 kHz to 100 MHz. The unit utilizes surface mount technology (SMD/SMT) with solder termination, measuring 12.7 mm in length, 7.11 mm in width, and 5.97 mm in height.

Feature Summary

• Provides galvanic isolation and data interface functionality for Ethernet networks
• Supports 100Base-TX transmission standards with integrated magnetic components
• Utilizes surface mount packaging for automated assembly processes

Applications

• 100Base-TX network interface circuits
• Ethernet physical layer (PHY) connectivity modules
• LAN port signal conditioning and isolation

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and thermal rating. Suffixes such as 'NL' indicate bulk tube packaging, while 'NLT' denotes cut tape or reel formats. Confirm insulation voltage and operating temperature limits match the target design requirements before ordering.

Selection Notes

Select this component for standard 100 Mbps Ethernet designs requiring encapsulated magnetics. Ensure the chosen variant matches the required PCB footprint dimensions and mounting style. Verify RoHS compliance status if environmental regulations apply to the final product assembly.

Part Context

This part belongs to the HX series of audio and signal transformers manufactured by Pulse Electronics. It serves as a critical passive component in network interface cards and embedded systems requiring reliable Ethernet connectivity without external discrete magnetics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.