M55302/61B70

Headers, Male Pins Overview

The M55302/61B70 is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features 70 positions arranged in two rows with a 2.54 mm pitch. The component utilizes male pin contacts made of copper alloy with gold plating. Designed for through-hole termination, it offers right-angle mounting. The housing is constructed from Polyphenylene Sulfide (PPS). Electrical specifications include an insulation resistance of 5 GOhms and an operating temperature range from -65 C to +125 C.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged performance
• Features gold-plated copper alloy contacts for reliable signal transmission
• Utilizes Polyphenylene Sulfide housing for thermal stability
• Supports right-angle PCB mounting via through-hole solder termination

Headers, Male Pins Applications

• Military and defense electronic systems
• Aerospace avionics interconnects
• High-reliability industrial control panels
• Harsh environment communication equipment

Headers, Male Pins Procurement Notes

Verify current availability directly with Molex or authorized distributors, as lead times may vary. Confirm RoHS compliance status and specific manufacturing lot details upon request. Ensure the ordering suffix matches the required contact configuration and termination style. Cross-reference the manufacturer part number against official datasheets to avoid substitution errors during procurement.

Headers, Male Pins Selection Notes

Select this model for applications requiring high-density interconnects in constrained spaces. The 2.54 mm pitch allows for compact board layouts while maintaining robust mechanical integrity. Right-angle mounting facilitates efficient cable routing in enclosed chassis designs. Verify that the 70-position count aligns precisely with system wiring requirements before finalizing the design.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, a line of connectors designed for demanding environments. The series is characterized by its compliance with strict military standards, ensuring durability and consistent performance. Molex acquired AirBorn, integrating these specialized connectors into their broader portfolio of high-performance interconnect solutions.

Headers, Male Pins Replacement Considerations

Compatible substitutes within the same MIL-DTL-55302 specification should be evaluated based on identical position counts and pitch dimensions. Ensure any alternative maintains the same contact material and plating thickness for equivalent electrical performance. Verify mechanical compatibility regarding mounting flange and hole patterns.