FPQT1553-8

Overview

The FPQT1553-8 is a dual-ratio surface mount pulse transformer designed for MIL-STD-1553 bus interfaces. It features a turns ratio of 1CT:2.12CT and 1CT:1.5CT. The component measures 0.624 inches in length and width (15.86mm x 15.86mm) with a maximum seated height of 0.159 inches (4.04mm). It is classified as an interface transformer suitable for ruggedized applications.

Feature Summary

• Dual-ratio configuration supporting multiple impedance matching requirements within the MIL-STD-1553 standard.
• Surface mount technology design enabling compact integration into high-density circuit boards.
• Ruggedized construction intended for reliable operation in demanding environments.

Applications

• MIL-STD-1553 bus interface circuits
• Avionics data bus systems
• Military communication equipment

Procurement Notes

Verify RoHS compliance status, as this specific part number may be non-compliant depending on the manufacturing batch. Confirm that the supplier provides original manufacturer documentation to ensure authenticity. Check for any specific handling requirements related to its moisture sensitivity level prior to assembly.

Selection Notes

Select this component when a dual-ratio solution is required for MIL-STD-1553 signaling. Ensure the PCB footprint matches the 15.86mm x 15.86mm dimensions. Consider the operating temperature range and voltage ratings against system specifications before finalizing the design.

Part Context

This part belongs to iNRCORE's line of QPL (Qualified Products List) pulse transformers. These components are engineered to meet strict military standards for signal integrity and durability. The series includes various ratios tailored for different bus segment requirements.

Replacement Considerations

Compatible substitutes include other dual-ratio MIL-STD-1553 SMT transformers from qualified manufacturers such as FPQT1553-45 or similar variants within the same family, provided electrical parameters match.