DTLN1553-45

Overview

The DTLN1553-45 is a MIL-STD-1553 interface pulse transformer manufactured by iNRCORE, LLC. It utilizes a through-hole mounting configuration with PC pin termination. The component features a primary winding of 1CT and secondary windings configured as 1CT:2.5CT and 1CT:1.79CT. Electrical characteristics include a primary DC resistance (DCR) of 3.5 Ohms and a secondary DCR of 1 Ohm. The device is designed for robust signal transmission in military data bus applications.

Feature Summary

• Supports MIL-STD-1553 standard interface protocols
• Through-hole construction with PC pin leads
• Dual secondary winding configurations for flexible circuit integration

Applications

• MIL-STD-1553 data bus systems
• Military communication equipment
• Avionics signal processing interfaces

Procurement Notes

Verify the specific datasheet version to confirm electrical tolerances and mechanical dimensions. Ensure compatibility with through-hole assembly processes. Check for lead-free or RoHS compliance status if required by project specifications. Confirm package type matches PCB footprint requirements before ordering.

Selection Notes

Select this component when MIL-STD-1553 compliance is mandatory. The through-hole design suits high-reliability environments requiring mechanical stability. Verify that the 3.5 Ohm primary and 1 Ohm secondary resistances align with system impedance matching needs. Consider physical size constraints for panel-mounted installations.

Part Context

This part belongs to the iNRCORE pulse transformer family specialized for military data buses. Similar models like DTLN1553-1 offer different turn ratios. The series focuses on reliable signal coupling for defense and aerospace applications where strict protocol adherence is critical.

Replacement Considerations

DTLN1553-1 is a related model with different turn ratios (1CT:1CT, 1CT:0.707CT). Verify electrical parameters match before substitution. No direct cross-model substitutes are officially confirmed.