HX2019NL

Overview

The HX2019NL is a single-port LAN discrete transformer module from Pulse Electronics, designed for Surface Mount Device (SMD) applications. It supports 100Base-TX Ethernet standards and Power over Ethernet (PoE). The component features a frequency range of 1 MHz to 100 MHz, primary impedance of 0.75 Ohms, and inductance of 350 µH. It provides 1.5 kV isolation voltage and operates within a temperature range of -40°C to 85°C. The package dimensions are 9.4 mm width by 6.22 mm height.

Feature Summary

• Provides electrical circuit isolation compliant with IEEE 802.3 standards for signal integrity
• Optimized for major LAN transceivers supporting 100Base-TX and PoE applications
• Features peak reflow temperature rating of +245°C for robust surface mount processing

Applications

• 100Base-TX Ethernet network interfaces
• Power over Ethernet (PoE) powered devices
• LAN transceiver circuit isolation modules

Procurement Notes

Verify the specific ordering suffix against official documentation, as variations may exist. Confirm that the requested part matches the exact RoHS compliance status and packaging type required for your assembly process. Cross-reference the manufacturer part number with the latest datasheet revision to ensure all electrical parameters align with your design specifications before finalizing procurement orders.

Selection Notes

Select this component for designs requiring single-port isolation for 100 Mbps Ethernet links. Ensure the PCB layout accommodates the SMD footprint and thermal requirements for peak reflow temperatures up to 245°C. Verify that the 0.75 Ohm impedance and 350 µH inductance values match the transceiver specifications. Consider the unshielded construction when planning electromagnetic interference mitigation strategies in dense layouts.

Part Context

This component belongs to the Pulse Electronics LAN discrete transformer modules series. These modules are engineered to maintain signal integrity while providing necessary galvanic isolation for demanding network applications. The product line is optimized for compatibility with major LAN transceivers, ensuring reliable performance across various Ethernet implementations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult official distributor databases or manufacturer cross-reference guides for potential alternatives if this specific model is unavailable.

FAQ

What is the maximum operating temperature for the HX2019NL?

The maximum operating temperature is 85°C.

Does the HX2019NL support Power over Ethernet?

Yes, the HX2019NL is specified for 100Base-TX SMD PoE applications.