TX1089T

Overview

The TX1089T is a Pulse Electronics surface-mount pulse transformer designed for T1/E1 dual-channel applications. It features a 1CT:1CT primary-to-secondary turns ratio for both transmitter and receiver channels. The component provides an inductance of 1.2mH per channel with a maximum operating temperature of +85°C and a minimum of -40°C. Physical dimensions are 12.83mm length, 7.11mm width, and 6.22mm height. It complies with RoHS3 standards and holds an MSL rating of 3.

Feature Summary

• Dual-channel architecture supporting simultaneous T1/E1 transmission and reception
• Surface-mount construction optimized for automated PCB assembly processes
• RoHS3 compliant manufacturing ensuring environmental regulatory adherence

Applications

• T1 network interface equipment
• E1 telecommunications infrastructure
• Digital subscriber line (DSL) modems
• Pulse signal coupling circuits

Procurement Notes

Verify current availability status as the TX1089T may be obsolete or discontinued by the manufacturer. Confirm that any substitute components meet identical electrical specifications and physical footprint requirements to ensure seamless integration into existing designs without re-verification.

Selection Notes

Select this component for high-density T1/E1 interface designs requiring dual-channel isolation. Ensure the application environment remains within the specified -40°C to +85°C operational range. Verify that the surface-mount package dimensions fit the designated PCB land pattern and clearance constraints.

Part Context

This part belongs to the Pulse Electronics transformer family, specifically engineered for digital telecommunication pulse transmission. It serves as a critical interface component between digital transceivers and network lines, providing necessary impedance matching and signal integrity for standard T1 and E1 protocols.

Replacement Considerations

The TX1089NLT is documented as a parameter-equivalent substitute. Verify compatibility before adoption.