M55302/61A44

Headers, Male Pins Overview

The M55302/61A44 is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It features 44 positions in a 2-row configuration with a 2.54 mm (0.100 inch) pitch. Designed for through-hole mounting at a right angle, it utilizes gold-plated phosphor bronze pins housed in Polyphenylene Sulfide (PPS). The component complies with MIL-DTL-55302 standards, offering an insulation resistance of 5 GOhms and operating within a temperature range of -65°C to +125°C.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for high-reliability applications
• Utilizes gold-plated contacts on phosphor bronze substrates for corrosion resistance
• Constructed with Polyphenylene Sulfide (PPS) housing for thermal stability

Headers, Male Pins Applications

• Avionics systems requiring rugged interconnects
• Defense electronics and communication equipment
• Industrial control panels demanding MIL-spec reliability

Headers, Male Pins Procurement Notes

Verify current lifecycle status directly with Molex or authorized distributors, as availability may vary. Confirm that the specific suffix matches the required pin count and orientation. Ensure compatibility with existing PCB footprints and mating connectors within the W Series family before finalizing procurement orders.

Headers, Male Pins Selection Notes

Select this part for applications necessitating a right-angle, 44-position through-hole interface. Verify that the 2.54 mm pitch aligns with system density requirements. Consider the PPS material properties for environmental exposure and confirm that the gold plating meets the specific contact resistance needs of the signal lines.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, a line of rectangular connectors acquired by Molex. The series is characterized by its adherence to strict military standards, providing robust solutions for aerospace and defense sectors. The M55302 designation indicates compliance with specific Department of Defense connector requirements.

Headers, Male Pins Replacement Considerations

Direct substitutes include other M55302/61 variants with matching position counts and orientations. Cross-reference with equivalent MIL-DTL-55302 parts from other manufacturers if supply chain constraints require alternative sourcing, ensuring identical mechanical and electrical parameters.