M55302/57A66Y

Headers, Male Pins Overview

The M55302/57A66Y is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features 66 positions arranged in two rows with a 2.54 mm pitch. The component utilizes gold-plated copper 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. The unit provides an insulation resistance of 5 GOhms and carries the alias M55302/57-A66X.

Headers, Male Pins Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged reliability
• Utilizes gold-plated phosphor bronze or copper alloy contacts for conductivity
• Constructed with high-performance Polyphenylene Sulfide (PPS) insulating material
• Engineered for right-angle PCB mounting configurations

Headers, Male Pins Applications

• Military avionics systems requiring standardized interconnects
• Ruggedized electronic enclosures subject to harsh environmental conditions
• Defense communication equipment utilizing MIL-Spec connectors
• Industrial control panels demanding high-density signal routing

Headers, Male Pins Procurement Notes

Verify current availability status directly with the manufacturer, as supply chain constraints may affect lead times. Confirm that the specific ordering suffix matches the required contact material and termination style. Ensure compatibility with mating receptacles within the same W Series family. Request updated RoHS certificates and material declarations prior to finalizing procurement orders for compliance verification.

Headers, Male Pins Selection Notes

Select this component when a 66-position, two-row connector is required for space-constrained applications. The right-angle design facilitates efficient board layout optimization. Verify that the 2.54 mm pitch aligns with existing footprint requirements. Consider the operating temperature limits and PPS material properties for thermal management needs. Ensure the gold plating specification meets the intended electrical performance criteria.

Headers, Male Pins Part Context

This part belongs to the AirBorn W Series, a line of rectangular connectors designed for high-reliability applications. The series offers various position counts and termination options to suit diverse engineering requirements. Manufactured under Molex, these components adhere to strict military standards for durability and performance in critical systems.

Headers, Male Pins Replacement Considerations

M55302/57-A66X is a confirmed public substitute part number for this component. Cross-reference pinout configurations and mechanical dimensions before substitution. Verify that the alternative part maintains identical MIL-DTL-55302 compliance and material specifications.