DTL1553-45

Overview

The DTL1553-45 is a MIL-STD-1553 interface pulse transformer manufactured by iNRCORE, LLC. It features a through-hole mounting configuration with a terminal pin design. The component provides dual secondary windings with turn ratios of 1CT:2.5CT and 1CT:1.79CT. Electrical specifications include a primary DC resistance of 1 Ohm and a secondary DC resistance of 3.5 Ohms. The device supports an RMS voltage rating of 100Vrms.

Feature Summary

• Designed for MIL-STD-1553 bus interface applications
• Through-hole terminal pin construction for robust PCB mounting
• Dual secondary winding configuration for signal distribution

Applications

• MIL-STD-1553 data bus interface circuits
• Avionics communication systems
• Military aerospace electronic modules

Procurement Notes

Verify the specific datasheet version and mechanical dimensions prior to integration. Confirm that the through-hole footprint matches the target PCB layout. Ensure environmental compliance requirements align with project specifications, as military-grade components may have distinct handling protocols.

Selection Notes

Select this component when a through-hole solution is required for MIL-STD-1553 interfaces. Compare the 100Vrms rating and specific turn ratios against system signal levels. Evaluate the physical size constraints of the terminal pin package against available board space.

Part Context

This part belongs to the DTL1553 series of pulse transformers from iNRCORE, LLC. The series is engineered for high-reliability magnetic coupling in harsh environments. It serves as a critical isolation element within serial bus architectures requiring strict timing and impedance control.

Replacement Considerations

Cross-reference with other MIL-STD-1553 through-hole transformers such as the FLC1553 or DFL1553 series variants. Verify compatibility of turn ratios and physical footprint before substitution.