TQ1553-3

Overview

The TQ1553-3 is a MIL-STD-1553 pulse transformer interface module manufactured by iNRCORE, LLC. It features a through-hole package with dimensions of 15.86 mm length, 15.86 mm width, and 6.35 mm height. The component operates within a temperature range of -55°C to +125°C. Key electrical specifications include a maximum DC resistance of 3.2 Ohms. The unit is classified under Audio & Signal Transformers and Interface Transformers.

Feature Summary

• Designed for MIL-STD-1553 bus interface applications
• Provides signal isolation via pulse transformation
• Constructed for through-hole mounting on printed circuit boards

Applications

• Military communication systems
• Aerospace data bus interfaces
• MIL-STD-1553 compliant network nodes

Procurement Notes

Verify RoHS compliance status as sources indicate non-compliance. Confirm availability constraints in specific regions. Ensure the ordering suffix matches the required isolation voltage and turn ratio specifications. Cross-reference datasheet revisions to confirm pinout compatibility with existing designs.

Selection Notes

Select this component for environments requiring operation up to +125°C. Verify that the 3.2 Ohm DC resistance meets system power budget requirements. Ensure mechanical clearance accommodates the 15.86 x 15.86 x 6.35 mm footprint. Confirm compatibility with MIL-STD-1553 signaling protocols.

Part Context

This part belongs to the TQ1553 series of pulse transformers from iNRCORE. The series includes variants such as TQ1553-2 and TQ1553-45. These components are specialized for high-reliability digital isolation in defense and aerospace sectors.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.