TX1267NLT

Overview

The TX1267NLT is a surface-mount LAN transformer module manufactured by Pulse Electronics. Designed for T1, CEPT, and ISDN-Pri applications, this single-port component provides electrical circuit isolation compliant with IEEE 802.3 standards. It features an inductance of 1200 µH and operates within a frequency range of 1 kHz to 100 MHz. The module supports a peak reflow temperature of +245°C and offers an insulation voltage of 1.5 kV. Operating temperatures range from -40°C to +85°C. The device utilizes SMD/SMT termination and is supplied in cut tape or reel packaging.

Feature Summary

• Provides electrical circuit isolation for demanding network applications
• Maintains signal integrity for major LAN transceivers
• Supports high-temperature peak reflow processes up to +245°C

Applications

• T1 line interface circuits
• CEPT standard implementations
• ISDN Primary Rate Interface (ISDN-Pri) systems

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and quantity. Ensure compatibility with target PCB footprint and reflow profiles. Confirm RoHS compliance status through current datasheets. Cross-reference manufacturer part numbers with distributor listings to avoid substitution errors. Validate operating temperature ranges for the intended environment.

Selection Notes

Select this component for designs requiring robust isolation in T1, CEPT, or ISDN-Pri architectures. Consider the 1200 µH inductance and 1.5 kV insulation voltage for noise immunity and safety requirements. Evaluate the SMD form factor for automated assembly processes. Ensure the 1 kHz to 100 MHz frequency response aligns with signal bandwidth needs.

Part Context

This component belongs to the Pulse Electronics LAN discrete transformer modules series. These modules are optimized for integration with major LAN transceivers while adhering to IEEE 802.3 standards. The series emphasizes signal integrity maintenance alongside electrical isolation, catering to high-performance networking hardware requirements.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.