TX1089NL

Overview

The TX1089NL is a dual-channel audio and signal transformer manufactured by Pulse Electronics, designed for T1/E1 network applications. It features a surface-mount package with dimensions of 12.83 mm in length, 7.11 mm in width, and 6.22 mm in height. The component operates within a temperature range of -40°C to +85°C and provides an insulation voltage of 1.5 kV. Each channel has a primary coil impedance of 700 mOhms and an inductance of 1.2 mH. The device utilizes a 1CT:1CT turns ratio for both channels.

Feature Summary

• Dual-channel configuration supporting simultaneous T1 and E1 signal processing
• Surface-mount technology (SMD) construction for automated assembly integration
• High insulation voltage rating ensuring electrical isolation between circuits

Applications

• T1 line interface modules
• E1 network equipment
• ISDN Primary Rate Interface systems

Procurement Notes

Verify the specific ordering suffix when sourcing this component, as variations such as 'TX1089NLT' indicate different packaging formats like tape and reel versus cut tape. Confirm RoHS compliance status and moisture sensitivity level requirements against current project specifications before finalizing procurement orders.

Selection Notes

Select this transformer for designs requiring compact dual-channel isolation in telecommunications infrastructure. Ensure the PCB layout accommodates the specified SMD footprint dimensions of 12.83 mm by 7.11 mm. Validate that the operating environment stays within the -40°C to +85°C thermal limits to maintain performance integrity.

Part Context

This component belongs to the Pulse Electronics audio and signal transformers category, specifically engineered for digital telephony standards. It serves as a critical isolation element in network interface cards, providing necessary galvanic separation while maintaining signal fidelity for high-speed data transmission protocols.

Replacement Considerations

The TX1089NL is listed as parameter-equivalent to the TX1089NL part number.