TX9023T

Overview

The TX9023T is a quad-port surface mount T1/E1 signal transformer module manufactured by Pulse Electronics. It integrates IC side protection circuits on each channel to suppress low voltage transients, ensuring robust performance in digital telephony applications. The unit features a patented interlock base construction for high reliability and supports an extended operating temperature range from -40°C to +85°C. Key electrical specifications include a minimum line-side inductance of 1.2mH and a turns ratio of 1:2 for both transmitter and receiver paths. The module provides a minimum isolation voltage of 1500 Vrms.

Feature Summary

• Integrates IC side protection circuits on each channel to suppress low voltage transients
• Features patented interlock base construction for enhanced mechanical reliability
• Supports extended operating temperature ranges suitable for harsh environments

Applications

• T1/CEPT/ISDN-PRI digital telephony systems
• Network interface cards requiring quad-port isolation
• Telecommunications equipment with integrated circuit protection needs

Procurement Notes

Verify the specific suffix 'T' against official datasheets to confirm tape-and-reel packaging versus tube variants. Confirm RoHS compliance status as historical records indicate potential non-compliance for certain revisions. Ensure compatibility with existing PCB footprints and reflow profiles before finalizing procurement orders.

Selection Notes

Select this component for applications requiring quad-channel isolation with built-in transient suppression. Verify that the 1.2mH minimum inductance meets system impedance requirements. Ensure the 1500 Vrms isolation rating aligns with safety standards for the target deployment environment.

Part Context

This component belongs to Pulse Electronics' T1/E1 transformer series designed for digital subscriber line and telecommunications interfaces. It serves as a critical isolation element between network lines and processing integrated circuits, providing necessary galvanic separation and signal integrity maintenance.

Replacement Considerations

Consult official substitution guides for compatible quad-port T1/E1 modules. Verify pinout compatibility and electrical parameter equivalence before replacing obsolete stock.