HX4019NLT

Overview

The HX4019NLT is a surface-mount Power over Ethernet (PoE) transformer module manufactured by Pulse Electronics. It features a 1:1 turns ratio and provides 3 kV isolation voltage for circuit protection. The component operates within a frequency range of 1 kHz to 100 MHz and supports an operating temperature range from -40°C to +85°C. Designed for high-reliability applications, it meets IEEE 802.3 standards while maintaining signal integrity in demanding network environments.

Feature Summary

• Provides electrical circuit isolation compliant with IEEE 802.3 standards
• Optimized for integration with major LAN transceivers
• Maintains signal integrity for demanding network applications
• Features a peak reflow temperature rating of +245°C

Applications

• Power over Ethernet (PoE) systems
• 10/100 Mbps LAN networks
• Network interface cards
• Ethernet switches and routers

Procurement Notes

Verify the specific datasheet version and manufacturing date code upon order confirmation. Ensure that the procurement channel is authorized to guarantee component authenticity and traceability. Confirm that the delivered units match the exact part number designation without unauthorized suffix variations that may alter specifications or performance characteristics.

Selection Notes

Select this component when a 1:1 PoE transformer with 3 kV isolation is required for board-mounted applications. It is suitable for designs needing robust signal integrity across standard LAN frequencies. Consider the SMD package dimensions and thermal limits during layout planning to ensure compatibility with the target PCB assembly process and environmental operating conditions.

Part Context

This part belongs to the HX series of discrete transformer modules from Pulse Electronics. These modules are engineered specifically for LAN applications, offering reliable isolation and signal transmission. The series is designed to support various Ethernet standards, providing a standardized solution for integrating power and data onto a single cable infrastructure in modern networking hardware.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameters before considering any alternative components from other manufacturers.