HM1188FNLT

Overview

The HM1188FNLT is a surface-mount signal transformer manufactured by Pulse Electronics, designed for 100BaseTX applications. It features a single-port configuration with non-PoE support and an inductance of 350uH. The component utilizes a 1:1 turns ratio for both transmitter and receiver paths. Physical dimensions are 12.70mm in length, 9.09mm in width, and 6.12mm in maximum height. It operates within a temperature range of -40°C to 85°C and complies with RoHS3 standards.

Feature Summary

• Supports 100BaseTX Ethernet signaling standards
• Surface-mount design for automated assembly
• Non-PoE isolated data interface configuration

Applications

• 100BaseTX network interface circuits
• Ethernet physical layer (PHY) integration
• Industrial communication modules

Procurement Notes

Verify the exact part number suffix against official Pulse Electronics documentation to ensure correct packaging and marking specifications. Confirm that the required variant matches the specific application needs regarding isolation and impedance characteristics before finalizing procurement orders.

Selection Notes

Select this component for designs requiring compact surface-mount solutions for 100Mbps Ethernet connectivity. Ensure the PCB footprint accommodates the specified 12.70mm x 9.09mm dimensions and verify thermal management capabilities for the -40°C to 85°C operating range during system integration.

Part Context

This model belongs to Pulse Electronics' portfolio of audio and signal transformers. It serves as a critical passive component in Ethernet transceivers, providing galvanic isolation and signal integrity maintenance between the PHY chip and the external network medium.

Replacement Considerations

HM1188NL