M55302/57A40X

Headers, Male Pins Overview

The M55302/57A40X is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features 40 positions arranged in two rows with a 2.54 mm pitch. The component utilizes gold-plated copper alloy contacts and a Polyphenylene Sulfide (PPS) housing. Designed for right-angle mounting, it supports solder termination and operates 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 interconnects
• Utilizes gold-plated contacts on copper alloy substrates for corrosion resistance
• Constructed with Polyphenylene Sulfide (PPS) insulation for thermal stability

Headers, Male Pins Applications

• Military avionics systems
• Defense communication equipment
• Ruggedized electronic enclosures

Headers, Male Pins Procurement Notes

Verify current lifecycle status directly with the manufacturer, as availability may vary. Confirm that the specific ordering suffix matches the required contact plating and termination style. Ensure compatibility with mating connectors within the same W Series family to maintain interface integrity.

Headers, Male Pins Selection Notes

Select this part for applications requiring right-angle PCB mounting with solder termination. Verify that the 2.54 mm pitch aligns with board layout constraints. Ensure the operating environment remains within the specified -65°C to +125°C range for optimal performance.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, a line of rectangular connectors designed for demanding environments. The series offers various position counts and termination styles while maintaining consistent MIL-DTL-55302 compliance and robust mechanical characteristics.

Headers, Male Pins Replacement Considerations

Compatible substitutes include other M55302/57A40X variants from authorized distributors. Cross-reference with equivalent MIL-DTL-55302 connectors ensuring identical pinout, pitch, and mounting orientation.