T1142

Pulse Transformers Overview

The T1142 is a surface-mount telecom transformer module from Pulse Electronics, designed for ISDN and telecommunication applications. It features a dual-channel configuration with SMD/SMT termination style. The component operates within a frequency range of 50 kHz to 3 MHz and supports an insulation voltage of 1.5 kVrms. Electrical specifications include an inductance of 500 nH and a maximum DC resistance of 850 mOhms. The device functions reliably between 0°C and +70°C. Physical dimensions are 12.83 mm in length, 9.53 mm in width, and 6.22 mm in height. It is unshielded and housed in a tube package.

Pulse Transformers Feature Summary

• Dual-channel architecture supporting T1/CEPT/ISDN-Pri standards
• Surface-mount design for automated assembly integration
• High insulation voltage capability for signal isolation

Pulse Transformers Applications

• T1 line interfaces
• CEPT network connections
• ISDN Primary Rate Interface (PRI) systems

Pulse Transformers Procurement Notes

Verify the specific suffix designation against official documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with peak reflow temperature profiles specified in the datasheet. Confirm RoHS compliance status and REACH SVHC declarations prior to final procurement approval.

Pulse Transformers Selection Notes

Select this component for designs requiring isolated signal transformation in digital telephony circuits. Consider the unshielded construction when planning PCB layout to manage electromagnetic interference. Evaluate the operating temperature range against environmental constraints. Verify pinout alignment with existing schematic requirements before implementation.

Pulse Transformers Part Context

This part belongs to the HX/T series of audio and signal transformers manufactured by Pulse Electronics. These modules are engineered specifically for high-reliability data transmission in telecommunications infrastructure. The product line emphasizes compact form factors suitable for dense circuit board layouts while maintaining strict signal integrity standards.

Pulse Transformers Replacement Considerations

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