HX1339NL

Overview

The HX1339NL is a general-purpose pulse transformer manufactured by Pulse Electronics, designed for surface-mount applications. It features a 1:1 turns ratio and an inductance of 350µH. The component operates within a temperature range of -40°C to +85°C and has a maximum installation height of 7.62mm. Its physical dimensions are 15.2mm in length and 12.7mm in width. This device is compatible with 10/100 Base-TX standards and supports single-port configurations.

Feature Summary

• Surface-mount construction for automated assembly
• General-purpose pulse transformation capability
• Compact footprint suitable for space-restrictive designs

Applications

• 10/100 Base-TX network interfaces
• Single-port signal isolation circuits
• Space-constrained electronic assemblies

Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation to confirm electrical tolerances and mechanical drawings. Ensure compatibility with peak reflow temperatures specified in the thermal profile guidelines. Confirm that the surface-mount package dimensions align with the printed circuit board land pattern requirements before finalizing procurement.

Selection Notes

Select this component when a 1:1 isolation ratio and 350µH inductance are required for high-speed digital signals. Consider the 7.62mm height limit if vertical clearance is constrained. Validate that the operating temperature range meets the environmental conditions of the target application. Ensure the surface-mount form factor matches the available PCB real estate.

Part Context

This part belongs to the HX series of audio and signal transformers from Pulse Electronics. These components are engineered for data communication and signal processing tasks requiring galvanic isolation. The series emphasizes compact sizing and reliable performance in standard industrial and commercial environments.

Replacement Considerations

Consult official substitution guides for equivalent 1:1 pulse transformers with matching 350µH inductance and SMD footprint. Verify pinout compatibility and insulation voltage ratings before swapping.