FPQ1553-7

Overview

The FPQ1553-7 is a dual-ratio pulse transformer manufactured by iNRCORE, LLC, designed for MIL-STD-1553 bus interface applications. It features a surface-mount package with dimensions of 0.630 inches in length and width (16.00mm x 16.00mm) and a maximum height of 0.159 inches (4.04mm). The component operates within a temperature range of -55°C to +130°C. It is classified as a QPL (Qualified Products List) product, indicating compliance with specific military qualification standards. The device utilizes a tube packaging format.

Feature Summary

• Dual-ratio design supporting multiple turn configurations for flexible bus interface integration
• Qualified Products List (QPL) certification ensuring adherence to strict military reliability standards
• Surface-mount construction optimized for automated assembly processes

Applications

• MIL-STD-1553 data bus interface circuits
• Military avionics communication systems
• Ruggedized electronic equipment requiring qualified components

Procurement Notes

Verify the current manufacturing status and availability directly with iNRCORE, LLC or authorized distributors. Confirm that the specific order suffix matches the required dual-ratio configuration. Ensure compliance with RoHS non-compliant status if environmental regulations apply to the final assembly. Check moisture sensitivity level requirements for storage and handling procedures prior to soldering.

Selection Notes

Select this component when a qualified, dual-ratio pulse transformer is required for MIL-STD-1553 interfaces. Consider the surface-mount footprint constraints and the specific turn ratios needed for the application. Evaluate the operating temperature range against the environmental conditions of the target system. Verify that the QPL status meets the procurement requirements for defense or aerospace projects.

Part Context

The FPQ1553-7 belongs to iNRCORE's series of pulse transformers specifically engineered for MIL-STD-1553 bus applications. This series includes various models such as FLC1553-5 and SFQ1553-45, which share similar interface purposes but differ in physical dimensions and turn ratios. These components are critical for signal coupling in high-reliability digital communication networks.

Replacement Considerations

Publicly confirmed substitute part numbers for the FPQ1553-7 are not available in the provided documentation. Users should consult official manufacturer cross-reference guides or engineering change notices for verified alternatives.