HX1234NLT

Overview

The HX1234NLT is a surface-mount pulse transformer manufactured by Pulse Electronics, designed for data interface applications. It features a 1:1 turns ratio with a center tap on both primary and secondary windings (1CT:1CT). The component has an inductance of 500 uH and supports an insulation voltage of 3.2 kV. It is AEC-Q certified for automotive reliability and operates within a temperature range of -40°C to +85°C. The physical dimensions are 28.58 mm in length, 12.19 mm in width, and 7.36 mm in maximum height.

Feature Summary

• Provides galvanic isolation for data signals in network interfaces
• Automotive-grade certification ensures reliability under strict environmental conditions
• Encapsulated construction protects internal windings from mechanical stress
• Surface-mount design facilitates automated PCB assembly processes

Applications

• Automotive Ethernet network interfaces
• MDI/MDIX port signal coupling
• High-reliability data communication systems
• Automotive infotainment and control unit connections

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status prior to ordering, as manufacturing updates may occur. Confirm that the reel packaging quantity aligns with production requirements. Ensure that the AEC-Q qualification meets the specific project standards. Check for any recent product change notifications that might affect pin compatibility or performance characteristics. Validate that the operating temperature range satisfies the final application environment.

Selection Notes

Select this component when a 1:1 isolated transformer is required for automotive data links. The 500 uH inductance value suits standard Ethernet signaling frequencies. The 3.2 kV insulation rating provides adequate safety margins for vehicle networks. Consider the SMD package size constraints during layout planning. Ensure the target circuit supports the center-tapped configuration for proper biasing and signal integrity.

Part Context

This part belongs to the HX series of audio and signal transformers from Pulse Electronics. It is categorized under isolation and data interface components. The series includes various configurations for different network speeds and port counts. The HX1234NLT specifically targets automotive applications requiring robust signal transmission. It complements other non-PoE and PoE variants in the manufacturer's portfolio.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with existing designs before considering alternative sources. Consult official distributor databases for potential obsolescence notices. Ensure any replacement matches the exact electrical parameters and mechanical footprint.