M55302/58LB40F

Headers, Receptacles, Female Sockets Overview

The M55302/58LB40F is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It features a 40-position configuration with two rows and a 2.54 mm pitch. Designed as a receptacle, it utilizes gold-plated copper alloy sockets for reliable signal transmission. The component supports solder termination and PCB mounting in a straight orientation. Constructed with Polyphenylene Sulfide (PPS) insulation, it operates within a temperature range of -65°C to +125°C and maintains an insulation resistance of 5 GOhms.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged performance
• Utilizes gold-plated contacts to ensure corrosion resistance and stable conductivity
• Features Polyphenylene Sulfide housing for high thermal stability

Headers, Receptacles, Female Sockets Applications

• Military avionics systems requiring certified interconnects
• Ruggedized electronic enclosures
• Defense communication equipment

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix 'LB' against official manufacturer documentation to confirm exact contact arrangement and mounting variations. Ensure compatibility with mating plugs regarding shell size and environmental sealing requirements. Cross-reference the MIL-DTL-55302 standard revision to guarantee regulatory compliance for defense applications.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a 40-position straight-mount receptacle is required for space-constrained designs. The 2.54 mm pitch accommodates standard wire gauges suitable for moderate current loads. Verify that the PPS material properties meet the thermal environment constraints of the target application.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the AirBorn W Series, a line of high-density rectangular connectors designed for demanding environments. The series offers various configurations to support diverse military and industrial needs while maintaining strict adherence to dimensional and electrical standards defined by MIL-DTL-55302.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the 40-position count, 2-row layout, and 2.54 mm pitch. Verify identical termination methods and mounting styles to ensure mechanical fit without modification.