HX4019NL

Overview

The HX4019NL is a single-channel surface-mount signal transformer from Pulse Electronics, designed for 2.5 Gigabit Ethernet applications. It features a 1:1 turns ratio and an inductance of 150 µH. The component supports a frequency range up to 125 MHz and provides 4 kV functional isolation voltage. Operating temperatures range from -40°C to +85°C. Dimensions are approximately 19.81 mm x 19.05 mm x 2.54 mm.

Feature Summary

• Supports 2.5 Gigabit Ethernet data transmission rates
• Provides 4 kV functional isolation between ports
• Surface mount construction for automated assembly

Applications

• 2.5G Ethernet network interface cards
• Industrial Ethernet switches
• Network infrastructure equipment

Procurement Notes

Verify the specific datasheet revision to confirm pinout compatibility with target PCB layouts. Ensure that the 4 kV functional isolation rating meets the safety requirements of the end application. Confirm that the surface mount footprint matches the design specifications exactly before finalizing procurement orders.

Selection Notes

Select this component when 2.5G Ethernet connectivity is required with high isolation standards. The 150 µH inductance value is critical for impedance matching in these specific networks. Consider the operating temperature range if the device will be used in harsh industrial environments.

Part Context

This part belongs to the HX series of LAN transformers from Pulse Electronics. These components are engineered specifically for high-speed data communication interfaces. The series includes variants for different Ethernet speeds and port configurations, ensuring standardized integration across various networking hardware platforms.

Replacement Considerations

Check for direct substitutes within the HX series that match the 150 µH inductance and 4 kV isolation rating. Verify that any alternative component maintains the same physical dimensions and pin configuration to ensure mechanical compatibility without redesigning the PCB.