T1105NL

Pulse Transformers Overview

The T1105NL is a surface mount audio and signal transformer manufactured by Pulse Electronics, designed for T1/E1/CEPT/ISDN-Pri applications. It features a quad configuration with primary and secondary inductance values of 1.2mH each. The device utilizes a 1:2CT turns ratio for both transmitter and receiver channels. It operates within a temperature range of 0°C to +70°C and supports dual channel functionality.

Pulse Transformers Feature Summary

• Provides isolated signal transmission for T1/E1 network interfaces
• Supports simultaneous transmitter and receiver channel operations
• Designed for surface mount integration into printed circuit boards

Pulse Transformers Applications

• T1 line interface circuits
• E1 telecommunication systems
• CEPT standard network equipment
• ISDN Primary Rate Interface modules

Pulse Transformers Procurement Notes

Verify the specific manufacturer part number against official Pulse Electronics documentation to ensure compatibility with target circuit designs. Confirm that the surface mount package dimensions and pinout align with the intended PCB layout. Check for any recent product change notices or end-of-life notifications from the supplier before finalizing procurement plans.

Pulse Transformers Selection Notes

Select this component when designing systems requiring standardized T1/E1 isolation transformers. Ensure the operating environment stays within the specified thermal limits. Consider the quad channel requirement and surface mount constraints during the initial schematic capture phase to guarantee proper footprint selection and assembly process compatibility.

Pulse Transformers Part Context

This component belongs to the Pulse Electronics audio and signal transformer category, specifically tailored for telecommunications infrastructure. It serves as a critical isolation element in digital voice transmission hardware, ensuring signal integrity across network boundaries while maintaining electrical safety standards required for public switched telephone networks.

Pulse Transformers Replacement Considerations

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