DFL1553-3

Overview

The DFL1553-3 is a pulse transformer interface module manufactured by iNRCORE, LLC. It is designed for MIL-STD-1553 bus applications. The component features a surface mount installation type with dimensions of approximately 0.624 inches in length and width. It operates within a temperature range of -55°C to +125°C. The device is classified as an audio and signal transformer under the broader category of transformers. It is currently listed as an active product with a standard lead time of 12 weeks from the manufacturer.

Feature Summary

• Designed specifically for MIL-STD-1553 bus interface applications
• Supports dual channel operation for signal transmission
• Utilizes surface mount technology for board integration

Applications

• Military communication systems
• Aerospace data bus networks
• Avionics interface modules

Procurement Notes

Verify compliance requirements prior to ordering, as this component may not meet RoHS standards depending on specific revision or manufacturing batch. Confirm that the 12-week standard lead time aligns with project schedules, as availability is subject to manufacturer allocation. Ensure that the surface mount footprint matches the design layout constraints. Check for any recent product change notifications that might affect pinout or electrical characteristics before finalizing procurement documentation.

Selection Notes

Select this component when a dedicated MIL-STD-1553 interface solution is required for high-reliability environments. Consider the operating temperature range of -55°C to +125°C for extreme condition suitability. Evaluate the physical dimensions against available PCB space. Compare against other iNRCORE variants like the DGL1553-3 if different packaging or specific frequency response characteristics are needed for the application.

Part Context

This part belongs to the DFL1553 series of low-profile dual SMT transformers. It shares functional similarities with other models in the family, such as the DFL1553-5, but differs in specific packaging or internal configuration details. The series is tailored for robust performance in defense and aerospace sectors where strict adherence to military standards is mandatory for system integrity and operational safety.

Replacement Considerations

Direct substitutes include other iNRCORE MIL-STD-1553 pulse transformers such as the DGL1553-3 or SMQC1553-7. Verify that alternative parts match the required turn ratios and physical mounting dimensions. Cross-reference datasheets to ensure compatibility with existing circuit designs and signal integrity requirements before implementing any substitution.